856876280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{23209}}^1$

素因数の和:23304

約数の個数: 64

約数和(自身を含む): 2105611200

約数和(自身を除く): 1248734920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 260, 284, 355, 520, 568, 710, 923, 1420, 1846, 2840, 3692, 4615, 7384, 9230, 18460, 23209, 36920, 46418, 92836, 116045, 185672, 232090, 301717, 464180, 603434, 928360, 1206868, 1508585, 1647839, 2413736, 3017170, 3295678, 6034340, 6591356, 8239195, 12068680, 13182712, 16478390, 21421907, 32956780, 42843814, 65913560, 85687628, 107109535, 171375256, 214219070, 428438140, 856876280]

約数ペア:

[(1, 856876280), (2, 428438140), (4, 214219070), (5, 171375256), (8, 107109535), (10, 85687628), (13, 65913560), (20, 42843814), (26, 32956780), (40, 21421907), (52, 16478390), (65, 13182712), (71, 12068680), (104, 8239195), (130, 6591356), (142, 6034340), (260, 3295678), (284, 3017170), (355, 2413736), (520, 1647839), (568, 1508585), (710, 1206868), (923, 928360), (1420, 603434), (1846, 464180), (2840, 301717), (3692, 232090), (4615, 185672), (7384, 116045), (9230, 92836), (18460, 46418), (23209, 36920)]