80763280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{983}}^1$

素因数の和:1088

約数の個数: 80

約数和(自身を含む): 204986880

約数和(自身を除く): 124223600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 79, 80, 104, 130, 158, 208, 260, 316, 395, 520, 632, 790, 983, 1027, 1040, 1264, 1580, 1966, 2054, 3160, 3932, 4108, 4915, 5135, 6320, 7864, 8216, 9830, 10270, 12779, 15728, 16432, 19660, 20540, 25558, 39320, 41080, 51116, 63895, 77657, 78640, 82160, 102232, 127790, 155314, 204464, 255580, 310628, 388285, 511160, 621256, 776570, 1009541, 1022320, 1242512, 1553140, 2019082, 3106280, 4038164, 5047705, 6212560, 8076328, 10095410, 16152656, 20190820, 40381640, 80763280]

約数ペア:

[(1, 80763280), (2, 40381640), (4, 20190820), (5, 16152656), (8, 10095410), (10, 8076328), (13, 6212560), (16, 5047705), (20, 4038164), (26, 3106280), (40, 2019082), (52, 1553140), (65, 1242512), (79, 1022320), (80, 1009541), (104, 776570), (130, 621256), (158, 511160), (208, 388285), (260, 310628), (316, 255580), (395, 204464), (520, 155314), (632, 127790), (790, 102232), (983, 82160), (1027, 78640), (1040, 77657), (1264, 63895), (1580, 51116), (1966, 41080), (2054, 39320), (3160, 25558), (3932, 20540), (4108, 19660), (4915, 16432), (5135, 15728), (6320, 12779), (7864, 10270), (8216, 9830)]