4356419920

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{892709}}^1$

素因数の和:892783

約数の個数: 40

約数和(自身を含む): 10294731720

約数和(自身を除く): 5938311800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 892709, 1785418, 3570836, 4463545, 7141672, 8927090, 14283344, 17854180, 35708360, 54455249, 71416720, 108910498, 217820996, 272276245, 435641992, 544552490, 871283984, 1089104980, 2178209960, 4356419920]

約数ペア:

[(1, 4356419920), (2, 2178209960), (4, 1089104980), (5, 871283984), (8, 544552490), (10, 435641992), (16, 272276245), (20, 217820996), (40, 108910498), (61, 71416720), (80, 54455249), (122, 35708360), (244, 17854180), (305, 14283344), (488, 8927090), (610, 7141672), (976, 4463545), (1220, 3570836), (2440, 1785418), (4880, 892709)]