54881780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:225

約数の個数: 96

約数和(自身を含む): 130056192

約数和(自身を除く): 75174412

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 41, 62, 68, 82, 85, 124, 127, 155, 164, 170, 205, 254, 310, 340, 410, 508, 527, 620, 635, 697, 820, 1054, 1270, 1271, 1394, 2108, 2159, 2540, 2542, 2635, 2788, 3485, 3937, 4318, 5084, 5207, 5270, 6355, 6970, 7874, 8636, 10414, 10540, 10795, 12710, 13940, 15748, 19685, 20828, 21590, 21607, 25420, 26035, 39370, 43180, 43214, 52070, 66929, 78740, 86428, 88519, 104140, 108035, 133858, 161417, 177038, 216070, 267716, 322834, 334645, 354076, 432140, 442595, 645668, 669290, 807085, 885190, 1338580, 1614170, 1770380, 2744089, 3228340, 5488178, 10976356, 13720445, 27440890, 54881780]

約数ペア:

[(1, 54881780), (2, 27440890), (4, 13720445), (5, 10976356), (10, 5488178), (17, 3228340), (20, 2744089), (31, 1770380), (34, 1614170), (41, 1338580), (62, 885190), (68, 807085), (82, 669290), (85, 645668), (124, 442595), (127, 432140), (155, 354076), (164, 334645), (170, 322834), (205, 267716), (254, 216070), (310, 177038), (340, 161417), (410, 133858), (508, 108035), (527, 104140), (620, 88519), (635, 86428), (697, 78740), (820, 66929), (1054, 52070), (1270, 43214), (1271, 43180), (1394, 39370), (2108, 26035), (2159, 25420), (2540, 21607), (2542, 21590), (2635, 20828), (2788, 19685), (3485, 15748), (3937, 13940), (4318, 12710), (5084, 10795), (5207, 10540), (5270, 10414), (6355, 8636), (6970, 7874)]