90282680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{563}}^1$

素因数の和:804

約数の個数: 64

約数和(自身を含む): 215222400

約数和(自身を除く): 124939720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 211, 380, 422, 563, 760, 844, 1055, 1126, 1688, 2110, 2252, 2815, 4009, 4220, 4504, 5630, 8018, 8440, 10697, 11260, 16036, 20045, 21394, 22520, 32072, 40090, 42788, 53485, 80180, 85576, 106970, 118793, 160360, 213940, 237586, 427880, 475172, 593965, 950344, 1187930, 2257067, 2375860, 4514134, 4751720, 9028268, 11285335, 18056536, 22570670, 45141340, 90282680]

約数ペア:

[(1, 90282680), (2, 45141340), (4, 22570670), (5, 18056536), (8, 11285335), (10, 9028268), (19, 4751720), (20, 4514134), (38, 2375860), (40, 2257067), (76, 1187930), (95, 950344), (152, 593965), (190, 475172), (211, 427880), (380, 237586), (422, 213940), (563, 160360), (760, 118793), (844, 106970), (1055, 85576), (1126, 80180), (1688, 53485), (2110, 42788), (2252, 40090), (2815, 32072), (4009, 22520), (4220, 21394), (4504, 20045), (5630, 16036), (8018, 11260), (8440, 10697)]