31807360

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3823}}^1$

素因数の和:3855

約数の個数: 64

約数和(自身を含む): 81910080

約数和(自身を除く): 50102720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 3823, 4160, 7646, 8320, 15292, 19115, 30584, 38230, 49699, 61168, 76460, 99398, 122336, 152920, 198796, 244672, 248495, 305840, 397592, 489344, 496990, 611680, 795184, 993980, 1223360, 1590368, 1987960, 2446720, 3180736, 3975920, 6361472, 7951840, 15903680, 31807360]

約数ペア:

[(1, 31807360), (2, 15903680), (4, 7951840), (5, 6361472), (8, 3975920), (10, 3180736), (13, 2446720), (16, 1987960), (20, 1590368), (26, 1223360), (32, 993980), (40, 795184), (52, 611680), (64, 496990), (65, 489344), (80, 397592), (104, 305840), (128, 248495), (130, 244672), (160, 198796), (208, 152920), (260, 122336), (320, 99398), (416, 76460), (520, 61168), (640, 49699), (832, 38230), (1040, 30584), (1664, 19115), (2080, 15292), (3823, 8320), (4160, 7646)]