80298920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{503}}^1$

素因数の和:834

約数の個数: 64

約数和(自身を含む): 195592320

約数和(自身を除く): 115293400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 307, 503, 520, 614, 1006, 1228, 1535, 2012, 2456, 2515, 3070, 3991, 4024, 5030, 6140, 6539, 7982, 10060, 12280, 13078, 15964, 19955, 20120, 26156, 31928, 32695, 39910, 52312, 65390, 79820, 130780, 154421, 159640, 261560, 308842, 617684, 772105, 1235368, 1544210, 2007473, 3088420, 4014946, 6176840, 8029892, 10037365, 16059784, 20074730, 40149460, 80298920]

約数ペア:

[(1, 80298920), (2, 40149460), (4, 20074730), (5, 16059784), (8, 10037365), (10, 8029892), (13, 6176840), (20, 4014946), (26, 3088420), (40, 2007473), (52, 1544210), (65, 1235368), (104, 772105), (130, 617684), (260, 308842), (307, 261560), (503, 159640), (520, 154421), (614, 130780), (1006, 79820), (1228, 65390), (1535, 52312), (2012, 39910), (2456, 32695), (2515, 31928), (3070, 26156), (3991, 20120), (4024, 19955), (5030, 15964), (6140, 13078), (6539, 12280), (7982, 10060)]