40788790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:397

約数の個数: 64

約数和(自身を含む): 88335360

約数和(自身を除く): 47546570

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 71, 142, 145, 203, 283, 290, 355, 406, 497, 566, 710, 994, 1015, 1415, 1981, 2030, 2059, 2485, 2830, 3962, 4118, 4970, 8207, 9905, 10295, 14413, 16414, 19810, 20093, 20590, 28826, 40186, 41035, 57449, 72065, 82070, 100465, 114898, 140651, 144130, 200930, 281302, 287245, 574490, 582697, 703255, 1165394, 1406510, 2913485, 4078879, 5826970, 8157758, 20394395, 40788790]

約数ペア:

[(1, 40788790), (2, 20394395), (5, 8157758), (7, 5826970), (10, 4078879), (14, 2913485), (29, 1406510), (35, 1165394), (58, 703255), (70, 582697), (71, 574490), (142, 287245), (145, 281302), (203, 200930), (283, 144130), (290, 140651), (355, 114898), (406, 100465), (497, 82070), (566, 72065), (710, 57449), (994, 41035), (1015, 40186), (1415, 28826), (1981, 20590), (2030, 20093), (2059, 19810), (2485, 16414), (2830, 14413), (3962, 10295), (4118, 9905), (4970, 8207)]