12581950160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{12589}}^1$

素因数の和:12677

約数の個数: 120

約数和(自身を含む): 32554869480

約数和(自身を除く): 19972919320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 961, 1040, 1240, 1612, 1922, 2015, 2480, 3224, 3844, 4030, 4805, 6448, 7688, 8060, 9610, 12493, 12589, 15376, 16120, 19220, 24986, 25178, 32240, 38440, 49972, 50356, 62465, 62945, 76880, 99944, 100712, 124930, 125890, 163657, 199888, 201424, 249860, 251780, 327314, 390259, 499720, 503560, 654628, 780518, 818285, 999440, 1007120, 1309256, 1561036, 1636570, 1951295, 2618512, 3122072, 3273140, 3902590, 5073367, 6244144, 6546280, 7805180, 10146734, 12098029, 13092560, 15610360, 20293468, 24196058, 25366835, 31220720, 40586936, 48392116, 50733670, 60490145, 81173872, 96784232, 101467340, 120980290, 157274377, 193568464, 202934680, 241960580, 314548754, 405869360, 483921160, 629097508, 786371885, 967842320, 1258195016, 1572743770, 2516390032, 3145487540, 6290975080, 12581950160]

約数ペア:

[(1, 12581950160), (2, 6290975080), (4, 3145487540), (5, 2516390032), (8, 1572743770), (10, 1258195016), (13, 967842320), (16, 786371885), (20, 629097508), (26, 483921160), (31, 405869360), (40, 314548754), (52, 241960580), (62, 202934680), (65, 193568464), (80, 157274377), (104, 120980290), (124, 101467340), (130, 96784232), (155, 81173872), (208, 60490145), (248, 50733670), (260, 48392116), (310, 40586936), (403, 31220720), (496, 25366835), (520, 24196058), (620, 20293468), (806, 15610360), (961, 13092560), (1040, 12098029), (1240, 10146734), (1612, 7805180), (1922, 6546280), (2015, 6244144), (2480, 5073367), (3224, 3902590), (3844, 3273140), (4030, 3122072), (4805, 2618512), (6448, 1951295), (7688, 1636570), (8060, 1561036), (9610, 1309256), (12493, 1007120), (12589, 999440), (15376, 818285), (16120, 780518), (19220, 654628), (24986, 503560), (25178, 499720), (32240, 390259), (38440, 327314), (49972, 251780), (50356, 249860), (62465, 201424), (62945, 199888), (76880, 163657), (99944, 125890), (100712, 124930)]