31727440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{569}}^1$

素因数の和:640

約数の個数: 80

約数和(自身を含む): 80151120

約数和(自身を除く): 48423680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 41, 68, 80, 82, 85, 136, 164, 170, 205, 272, 328, 340, 410, 569, 656, 680, 697, 820, 1138, 1360, 1394, 1640, 2276, 2788, 2845, 3280, 3485, 4552, 5576, 5690, 6970, 9104, 9673, 11152, 11380, 13940, 19346, 22760, 23329, 27880, 38692, 45520, 46658, 48365, 55760, 77384, 93316, 96730, 116645, 154768, 186632, 193460, 233290, 373264, 386920, 396593, 466580, 773840, 793186, 933160, 1586372, 1866320, 1982965, 3172744, 3965930, 6345488, 7931860, 15863720, 31727440]

約数ペア:

[(1, 31727440), (2, 15863720), (4, 7931860), (5, 6345488), (8, 3965930), (10, 3172744), (16, 1982965), (17, 1866320), (20, 1586372), (34, 933160), (40, 793186), (41, 773840), (68, 466580), (80, 396593), (82, 386920), (85, 373264), (136, 233290), (164, 193460), (170, 186632), (205, 154768), (272, 116645), (328, 96730), (340, 93316), (410, 77384), (569, 55760), (656, 48365), (680, 46658), (697, 45520), (820, 38692), (1138, 27880), (1360, 23329), (1394, 22760), (1640, 19346), (2276, 13940), (2788, 11380), (2845, 11152), (3280, 9673), (3485, 9104), (4552, 6970), (5576, 5690)]