20192727700

素因数分解:

$2^2\times 5^2\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{12487}}^1$

素因数の和:12761

約数の個数: 72

約数和(自身を含む): 44529011072

約数和(自身を除く): 24336283372

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 103, 157, 206, 314, 412, 515, 628, 785, 1030, 1570, 2060, 2575, 3140, 3925, 5150, 7850, 10300, 12487, 15700, 16171, 24974, 32342, 49948, 62435, 64684, 80855, 124870, 161710, 249740, 312175, 323420, 404275, 624350, 808550, 1248700, 1286161, 1617100, 1960459, 2572322, 3920918, 5144644, 6430805, 7841836, 9802295, 12861610, 19604590, 25723220, 32154025, 39209180, 49011475, 64308050, 98022950, 128616100, 196045900, 201927277, 403854554, 807709108, 1009636385, 2019272770, 4038545540, 5048181925, 10096363850, 20192727700]

約数ペア:

[(1, 20192727700), (2, 10096363850), (4, 5048181925), (5, 4038545540), (10, 2019272770), (20, 1009636385), (25, 807709108), (50, 403854554), (100, 201927277), (103, 196045900), (157, 128616100), (206, 98022950), (314, 64308050), (412, 49011475), (515, 39209180), (628, 32154025), (785, 25723220), (1030, 19604590), (1570, 12861610), (2060, 9802295), (2575, 7841836), (3140, 6430805), (3925, 5144644), (5150, 3920918), (7850, 2572322), (10300, 1960459), (12487, 1617100), (15700, 1286161), (16171, 1248700), (24974, 808550), (32342, 624350), (49948, 404275), (62435, 323420), (64684, 312175), (80855, 249740), (124870, 161710)]