39900860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{683}}^1$

素因数の和:842

約数の個数: 48

約数和(自身を含む): 88252416

約数和(自身を除く): 48351556

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 127, 230, 254, 460, 508, 635, 683, 1270, 1366, 2540, 2732, 2921, 3415, 5842, 6830, 11684, 13660, 14605, 15709, 29210, 31418, 58420, 62836, 78545, 86741, 157090, 173482, 314180, 346964, 433705, 867410, 1734820, 1995043, 3990086, 7980172, 9975215, 19950430, 39900860]

約数ペア:

[(1, 39900860), (2, 19950430), (4, 9975215), (5, 7980172), (10, 3990086), (20, 1995043), (23, 1734820), (46, 867410), (92, 433705), (115, 346964), (127, 314180), (230, 173482), (254, 157090), (460, 86741), (508, 78545), (635, 62836), (683, 58420), (1270, 31418), (1366, 29210), (2540, 15709), (2732, 14605), (2921, 13660), (3415, 11684), (5842, 6830)]