65354720

素因数分解:

$2^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{4211}}^1$

素因数の和:4323

約数の個数: 48

約数和(自身を含む): 156029328

約数和(自身を除く): 90674608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 97, 160, 194, 388, 485, 776, 970, 1552, 1940, 3104, 3880, 4211, 7760, 8422, 15520, 16844, 21055, 33688, 42110, 67376, 84220, 134752, 168440, 336880, 408467, 673760, 816934, 1633868, 2042335, 3267736, 4084670, 6535472, 8169340, 13070944, 16338680, 32677360, 65354720]

約数ペア:

[(1, 65354720), (2, 32677360), (4, 16338680), (5, 13070944), (8, 8169340), (10, 6535472), (16, 4084670), (20, 3267736), (32, 2042335), (40, 1633868), (80, 816934), (97, 673760), (160, 408467), (194, 336880), (388, 168440), (485, 134752), (776, 84220), (970, 67376), (1552, 42110), (1940, 33688), (3104, 21055), (3880, 16844), (4211, 15520), (7760, 8422)]