31238720

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2381}}^1$

素因数の和:2439

約数の個数: 56

約数和(自身を含む): 76233528

約数和(自身を除く): 44994808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 656, 820, 1312, 1640, 2381, 2624, 3280, 4762, 6560, 9524, 11905, 13120, 19048, 23810, 38096, 47620, 76192, 95240, 97621, 152384, 190480, 195242, 380960, 390484, 488105, 761920, 780968, 976210, 1561936, 1952420, 3123872, 3904840, 6247744, 7809680, 15619360, 31238720]

約数ペア:

[(1, 31238720), (2, 15619360), (4, 7809680), (5, 6247744), (8, 3904840), (10, 3123872), (16, 1952420), (20, 1561936), (32, 976210), (40, 780968), (41, 761920), (64, 488105), (80, 390484), (82, 380960), (160, 195242), (164, 190480), (205, 152384), (320, 97621), (328, 95240), (410, 76192), (656, 47620), (820, 38096), (1312, 23810), (1640, 19048), (2381, 13120), (2624, 11905), (3280, 9524), (4762, 6560)]