65017540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:329

約数の個数: 96

約数和(自身を含む): 164118528

約数和(自身を除く): 99100988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 71, 124, 140, 142, 155, 211, 217, 284, 310, 355, 422, 434, 497, 620, 710, 844, 868, 994, 1055, 1085, 1420, 1477, 1988, 2110, 2170, 2201, 2485, 2954, 4220, 4340, 4402, 4970, 5908, 6541, 7385, 8804, 9940, 11005, 13082, 14770, 14981, 15407, 22010, 26164, 29540, 29962, 30814, 32705, 44020, 45787, 59924, 61628, 65410, 74905, 77035, 91574, 104867, 130820, 149810, 154070, 183148, 209734, 228935, 299620, 308140, 419468, 457870, 464411, 524335, 915740, 928822, 1048670, 1857644, 2097340, 2322055, 3250877, 4644110, 6501754, 9288220, 13003508, 16254385, 32508770, 65017540]

約数ペア:

[(1, 65017540), (2, 32508770), (4, 16254385), (5, 13003508), (7, 9288220), (10, 6501754), (14, 4644110), (20, 3250877), (28, 2322055), (31, 2097340), (35, 1857644), (62, 1048670), (70, 928822), (71, 915740), (124, 524335), (140, 464411), (142, 457870), (155, 419468), (211, 308140), (217, 299620), (284, 228935), (310, 209734), (355, 183148), (422, 154070), (434, 149810), (497, 130820), (620, 104867), (710, 91574), (844, 77035), (868, 74905), (994, 65410), (1055, 61628), (1085, 59924), (1420, 45787), (1477, 44020), (1988, 32705), (2110, 30814), (2170, 29962), (2201, 29540), (2485, 26164), (2954, 22010), (4220, 15407), (4340, 14981), (4402, 14770), (4970, 13082), (5908, 11005), (6541, 9940), (7385, 8804)]