7823920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7523}}^1$

素因数の和:7549

約数の個数: 40

約数和(自身を含む): 19592496

約数和(自身を除く): 11768576

約数列:

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

約数ペア:

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