84783920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{6271}}^1$

素因数の和:6310

約数の個数: 60

約数和(自身を含む): 213486336

約数和(自身を除く): 128702416

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 6271, 6760, 12542, 13520, 25084, 31355, 50168, 62710, 81523, 100336, 125420, 163046, 250840, 326092, 407615, 501680, 652184, 815230, 1059799, 1304368, 1630460, 2119598, 3260920, 4239196, 5298995, 6521840, 8478392, 10597990, 16956784, 21195980, 42391960, 84783920]

約数ペア:

[(1, 84783920), (2, 42391960), (4, 21195980), (5, 16956784), (8, 10597990), (10, 8478392), (13, 6521840), (16, 5298995), (20, 4239196), (26, 3260920), (40, 2119598), (52, 1630460), (65, 1304368), (80, 1059799), (104, 815230), (130, 652184), (169, 501680), (208, 407615), (260, 326092), (338, 250840), (520, 163046), (676, 125420), (845, 100336), (1040, 81523), (1352, 62710), (1690, 50168), (2704, 31355), (3380, 25084), (6271, 13520), (6760, 12542)]