66401476840

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{28136219}}^1$

素因数の和:28136289

約数の個数: 32

約数和(自身を含む): 151935588000

約数和(自身を除く): 85534111160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 28136219, 56272438, 112544876, 140681095, 225089752, 281362190, 562724380, 1125448760, 1660036921, 3320073842, 6640147684, 8300184605, 13280295368, 16600369210, 33200738420, 66401476840]

約数ペア:

[(1, 66401476840), (2, 33200738420), (4, 16600369210), (5, 13280295368), (8, 8300184605), (10, 6640147684), (20, 3320073842), (40, 1660036921), (59, 1125448760), (118, 562724380), (236, 281362190), (295, 225089752), (472, 140681095), (590, 112544876), (1180, 56272438), (2360, 28136219)]