40567280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2053}}^1$

素因数の和:2098

約数の個数: 80

約数和(自身を含む): 106972320

約数和(自身を除く): 66405040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2053, 2470, 3952, 4106, 4940, 8212, 9880, 10265, 16424, 19760, 20530, 26689, 32848, 39007, 41060, 53378, 78014, 82120, 106756, 133445, 156028, 164240, 195035, 213512, 266890, 312056, 390070, 427024, 507091, 533780, 624112, 780140, 1014182, 1067560, 1560280, 2028364, 2135120, 2535455, 3120560, 4056728, 5070910, 8113456, 10141820, 20283640, 40567280]

約数ペア:

[(1, 40567280), (2, 20283640), (4, 10141820), (5, 8113456), (8, 5070910), (10, 4056728), (13, 3120560), (16, 2535455), (19, 2135120), (20, 2028364), (26, 1560280), (38, 1067560), (40, 1014182), (52, 780140), (65, 624112), (76, 533780), (80, 507091), (95, 427024), (104, 390070), (130, 312056), (152, 266890), (190, 213512), (208, 195035), (247, 164240), (260, 156028), (304, 133445), (380, 106756), (494, 82120), (520, 78014), (760, 53378), (988, 41060), (1040, 39007), (1235, 32848), (1520, 26689), (1976, 20530), (2053, 19760), (2470, 16424), (3952, 10265), (4106, 9880), (4940, 8212)]