15721468100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{119737}}^1$

素因数の和:119865

約数の個数: 72

約数和(自身を含む): 37103932488

約数和(自身を除く): 21382464388

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 101, 130, 202, 260, 325, 404, 505, 650, 1010, 1300, 1313, 2020, 2525, 2626, 5050, 5252, 6565, 10100, 13130, 26260, 32825, 65650, 119737, 131300, 239474, 478948, 598685, 1197370, 1556581, 2394740, 2993425, 3113162, 5986850, 6226324, 7782905, 11973700, 12093437, 15565810, 24186874, 31131620, 38914525, 48373748, 60467185, 77829050, 120934370, 155658100, 157214681, 241868740, 302335925, 314429362, 604671850, 628858724, 786073405, 1209343700, 1572146810, 3144293620, 3930367025, 7860734050, 15721468100]

約数ペア:

[(1, 15721468100), (2, 7860734050), (4, 3930367025), (5, 3144293620), (10, 1572146810), (13, 1209343700), (20, 786073405), (25, 628858724), (26, 604671850), (50, 314429362), (52, 302335925), (65, 241868740), (100, 157214681), (101, 155658100), (130, 120934370), (202, 77829050), (260, 60467185), (325, 48373748), (404, 38914525), (505, 31131620), (650, 24186874), (1010, 15565810), (1300, 12093437), (1313, 11973700), (2020, 7782905), (2525, 6226324), (2626, 5986850), (5050, 3113162), (5252, 2993425), (6565, 2394740), (10100, 1556581), (13130, 1197370), (26260, 598685), (32825, 478948), (65650, 239474), (119737, 131300)]