159488420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{87631}}^1$

素因数の和:87660

約数の個数: 48

約数和(自身を含む): 412220928

約数和(自身を除く): 252732508

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 87631, 175262, 350524, 438155, 613417, 876310, 1139203, 1226834, 1752620, 2278406, 2453668, 3067085, 4556812, 5696015, 6134170, 7974421, 11392030, 12268340, 15948842, 22784060, 31897684, 39872105, 79744210, 159488420]

約数ペア:

[(1, 159488420), (2, 79744210), (4, 39872105), (5, 31897684), (7, 22784060), (10, 15948842), (13, 12268340), (14, 11392030), (20, 7974421), (26, 6134170), (28, 5696015), (35, 4556812), (52, 3067085), (65, 2453668), (70, 2278406), (91, 1752620), (130, 1226834), (140, 1139203), (182, 876310), (260, 613417), (364, 438155), (455, 350524), (910, 175262), (1820, 87631)]