385225040

素因数分解:

$2^4\times 5^1\times {\mathrm{659}}^1\times {\mathrm{7307}}^1$

素因数の和:7979

約数の個数: 40

約数和(自身を含む): 897130080

約数和(自身を除く): 511905040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 659, 1318, 2636, 3295, 5272, 6590, 7307, 10544, 13180, 14614, 26360, 29228, 36535, 52720, 58456, 73070, 116912, 146140, 292280, 584560, 4815313, 9630626, 19261252, 24076565, 38522504, 48153130, 77045008, 96306260, 192612520, 385225040]

約数ペア:

[(1, 385225040), (2, 192612520), (4, 96306260), (5, 77045008), (8, 48153130), (10, 38522504), (16, 24076565), (20, 19261252), (40, 9630626), (80, 4815313), (659, 584560), (1318, 292280), (2636, 146140), (3295, 116912), (5272, 73070), (6590, 58456), (7307, 52720), (10544, 36535), (13180, 29228), (14614, 26360)]