38656280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{941}}^1$

素因数の和:1044

約数の個数: 64

約数和(自身を含む): 94953600

約数和(自身を除く): 56297320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 130, 158, 260, 316, 395, 520, 632, 790, 941, 1027, 1580, 1882, 2054, 3160, 3764, 4108, 4705, 5135, 7528, 8216, 9410, 10270, 12233, 18820, 20540, 24466, 37640, 41080, 48932, 61165, 74339, 97864, 122330, 148678, 244660, 297356, 371695, 489320, 594712, 743390, 966407, 1486780, 1932814, 2973560, 3865628, 4832035, 7731256, 9664070, 19328140, 38656280]

約数ペア:

[(1, 38656280), (2, 19328140), (4, 9664070), (5, 7731256), (8, 4832035), (10, 3865628), (13, 2973560), (20, 1932814), (26, 1486780), (40, 966407), (52, 743390), (65, 594712), (79, 489320), (104, 371695), (130, 297356), (158, 244660), (260, 148678), (316, 122330), (395, 97864), (520, 74339), (632, 61165), (790, 48932), (941, 41080), (1027, 37640), (1580, 24466), (1882, 20540), (2054, 18820), (3160, 12233), (3764, 10270), (4108, 9410), (4705, 8216), (5135, 7528)]