15647840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7523}}^1$

素因数の和:7551

約数の個数: 48

約数和(自身を含む): 39817008

約数和(自身を除く): 24169168

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 7523, 15046, 30092, 37615, 60184, 75230, 97799, 120368, 150460, 195598, 240736, 300920, 391196, 488995, 601840, 782392, 977990, 1203680, 1564784, 1955980, 3129568, 3911960, 7823920, 15647840]

約数ペア:

[(1, 15647840), (2, 7823920), (4, 3911960), (5, 3129568), (8, 1955980), (10, 1564784), (13, 1203680), (16, 977990), (20, 782392), (26, 601840), (32, 488995), (40, 391196), (52, 300920), (65, 240736), (80, 195598), (104, 150460), (130, 120368), (160, 97799), (208, 75230), (260, 60184), (416, 37615), (520, 30092), (1040, 15046), (2080, 7523)]