39880360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{283}}^1$

素因数の和:578

約数の個数: 64

約数和(自身を含む): 97332480

約数和(自身を除く): 57452120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 271, 283, 520, 542, 566, 1084, 1132, 1355, 1415, 2168, 2264, 2710, 2830, 3523, 3679, 5420, 5660, 7046, 7358, 10840, 11320, 14092, 14716, 17615, 18395, 28184, 29432, 35230, 36790, 70460, 73580, 76693, 140920, 147160, 153386, 306772, 383465, 613544, 766930, 997009, 1533860, 1994018, 3067720, 3988036, 4985045, 7976072, 9970090, 19940180, 39880360]

約数ペア:

[(1, 39880360), (2, 19940180), (4, 9970090), (5, 7976072), (8, 4985045), (10, 3988036), (13, 3067720), (20, 1994018), (26, 1533860), (40, 997009), (52, 766930), (65, 613544), (104, 383465), (130, 306772), (260, 153386), (271, 147160), (283, 140920), (520, 76693), (542, 73580), (566, 70460), (1084, 36790), (1132, 35230), (1355, 29432), (1415, 28184), (2168, 18395), (2264, 17615), (2710, 14716), (2830, 14092), (3523, 11320), (3679, 10840), (5420, 7358), (5660, 7046)]