71399840

素因数分解:

$2^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6113}}^1$

素因数の和:6201

約数の個数: 48

約数和(自身を含む): 171020808

約数和(自身を除く): 99620968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 73, 80, 146, 160, 292, 365, 584, 730, 1168, 1460, 2336, 2920, 5840, 6113, 11680, 12226, 24452, 30565, 48904, 61130, 97808, 122260, 195616, 244520, 446249, 489040, 892498, 978080, 1784996, 2231245, 3569992, 4462490, 7139984, 8924980, 14279968, 17849960, 35699920, 71399840]

約数ペア:

[(1, 71399840), (2, 35699920), (4, 17849960), (5, 14279968), (8, 8924980), (10, 7139984), (16, 4462490), (20, 3569992), (32, 2231245), (40, 1784996), (73, 978080), (80, 892498), (146, 489040), (160, 446249), (292, 244520), (365, 195616), (584, 122260), (730, 97808), (1168, 61130), (1460, 48904), (2336, 30565), (2920, 24452), (5840, 12226), (6113, 11680)]