38980240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1013}}^1$

素因数の和:1076

約数の個数: 80

約数和(自身を含む): 100337328

約数和(自身を除く): 61357088

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 260, 296, 370, 481, 520, 592, 740, 962, 1013, 1040, 1480, 1924, 2026, 2405, 2960, 3848, 4052, 4810, 5065, 7696, 8104, 9620, 10130, 13169, 16208, 19240, 20260, 26338, 37481, 38480, 40520, 52676, 65845, 74962, 81040, 105352, 131690, 149924, 187405, 210704, 263380, 299848, 374810, 487253, 526760, 599696, 749620, 974506, 1053520, 1499240, 1949012, 2436265, 2998480, 3898024, 4872530, 7796048, 9745060, 19490120, 38980240]

約数ペア:

[(1, 38980240), (2, 19490120), (4, 9745060), (5, 7796048), (8, 4872530), (10, 3898024), (13, 2998480), (16, 2436265), (20, 1949012), (26, 1499240), (37, 1053520), (40, 974506), (52, 749620), (65, 599696), (74, 526760), (80, 487253), (104, 374810), (130, 299848), (148, 263380), (185, 210704), (208, 187405), (260, 149924), (296, 131690), (370, 105352), (481, 81040), (520, 74962), (592, 65845), (740, 52676), (962, 40520), (1013, 38480), (1040, 37481), (1480, 26338), (1924, 20260), (2026, 19240), (2405, 16208), (2960, 13169), (3848, 10130), (4052, 9620), (4810, 8104), (5065, 7696)]