655960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1$

素因数の和:88

約数の個数: 48

約数和(自身を含む): 1592640

約数和(自身を除く): 936680

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 248, 310, 460, 529, 620, 713, 920, 1058, 1240, 1426, 2116, 2645, 2852, 3565, 4232, 5290, 5704, 7130, 10580, 14260, 16399, 21160, 28520, 32798, 65596, 81995, 131192, 163990, 327980, 655960]

約数ペア:

[(1, 655960), (2, 327980), (4, 163990), (5, 131192), (8, 81995), (10, 65596), (20, 32798), (23, 28520), (31, 21160), (40, 16399), (46, 14260), (62, 10580), (92, 7130), (115, 5704), (124, 5290), (155, 4232), (184, 3565), (230, 2852), (248, 2645), (310, 2116), (460, 1426), (529, 1240), (620, 1058), (713, 920)]