28098460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1613}}^1$

素因数の和:1702

約数の個数: 48

約数和(自身を含む): 64534176

約数和(自身を除く): 36435716

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1340, 1613, 1742, 3226, 3484, 4355, 6452, 8065, 8710, 16130, 17420, 20969, 32260, 41938, 83876, 104845, 108071, 209690, 216142, 419380, 432284, 540355, 1080710, 1404923, 2161420, 2809846, 5619692, 7024615, 14049230, 28098460]

約数ペア:

[(1, 28098460), (2, 14049230), (4, 7024615), (5, 5619692), (10, 2809846), (13, 2161420), (20, 1404923), (26, 1080710), (52, 540355), (65, 432284), (67, 419380), (130, 216142), (134, 209690), (260, 108071), (268, 104845), (335, 83876), (670, 41938), (871, 32260), (1340, 20969), (1613, 17420), (1742, 16130), (3226, 8710), (3484, 8065), (4355, 6452)]