29688100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{557}}^1$

素因数の和:625

約数の個数: 72

約数和(自身を含む): 71198568

約数和(自身を除く): 41510468

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 41, 50, 52, 65, 82, 100, 130, 164, 205, 260, 325, 410, 533, 557, 650, 820, 1025, 1066, 1114, 1300, 2050, 2132, 2228, 2665, 2785, 4100, 5330, 5570, 7241, 10660, 11140, 13325, 13925, 14482, 22837, 26650, 27850, 28964, 36205, 45674, 53300, 55700, 72410, 91348, 114185, 144820, 181025, 228370, 296881, 362050, 456740, 570925, 593762, 724100, 1141850, 1187524, 1484405, 2283700, 2968810, 5937620, 7422025, 14844050, 29688100]

約数ペア:

[(1, 29688100), (2, 14844050), (4, 7422025), (5, 5937620), (10, 2968810), (13, 2283700), (20, 1484405), (25, 1187524), (26, 1141850), (41, 724100), (50, 593762), (52, 570925), (65, 456740), (82, 362050), (100, 296881), (130, 228370), (164, 181025), (205, 144820), (260, 114185), (325, 91348), (410, 72410), (533, 55700), (557, 53300), (650, 45674), (820, 36205), (1025, 28964), (1066, 27850), (1114, 26650), (1300, 22837), (2050, 14482), (2132, 13925), (2228, 13325), (2665, 11140), (2785, 10660), (4100, 7241), (5330, 5570)]