77013820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4421}}^1$

素因数の和:4510

約数の個数: 48

約数和(自身を含む): 176809248

約数和(自身を除く): 99795428

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1340, 1742, 3484, 4355, 4421, 8710, 8842, 17420, 17684, 22105, 44210, 57473, 88420, 114946, 229892, 287365, 296207, 574730, 592414, 1149460, 1184828, 1481035, 2962070, 3850691, 5924140, 7701382, 15402764, 19253455, 38506910, 77013820]

約数ペア:

[(1, 77013820), (2, 38506910), (4, 19253455), (5, 15402764), (10, 7701382), (13, 5924140), (20, 3850691), (26, 2962070), (52, 1481035), (65, 1184828), (67, 1149460), (130, 592414), (134, 574730), (260, 296207), (268, 287365), (335, 229892), (670, 114946), (871, 88420), (1340, 57473), (1742, 44210), (3484, 22105), (4355, 17684), (4421, 17420), (8710, 8842)]