16458640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{317}}^1$

素因数の和:400

約数の個数: 80

約数和(自身を含む): 42586560

約数和(自身を除く): 26127920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 59, 80, 88, 110, 118, 176, 220, 236, 295, 317, 440, 472, 590, 634, 649, 880, 944, 1180, 1268, 1298, 1585, 2360, 2536, 2596, 3170, 3245, 3487, 4720, 5072, 5192, 6340, 6490, 6974, 10384, 12680, 12980, 13948, 17435, 18703, 25360, 25960, 27896, 34870, 37406, 51920, 55792, 69740, 74812, 93515, 139480, 149624, 187030, 205733, 278960, 299248, 374060, 411466, 748120, 822932, 1028665, 1496240, 1645864, 2057330, 3291728, 4114660, 8229320, 16458640]

約数ペア:

[(1, 16458640), (2, 8229320), (4, 4114660), (5, 3291728), (8, 2057330), (10, 1645864), (11, 1496240), (16, 1028665), (20, 822932), (22, 748120), (40, 411466), (44, 374060), (55, 299248), (59, 278960), (80, 205733), (88, 187030), (110, 149624), (118, 139480), (176, 93515), (220, 74812), (236, 69740), (295, 55792), (317, 51920), (440, 37406), (472, 34870), (590, 27896), (634, 25960), (649, 25360), (880, 18703), (944, 17435), (1180, 13948), (1268, 12980), (1298, 12680), (1585, 10384), (2360, 6974), (2536, 6490), (2596, 6340), (3170, 5192), (3245, 5072), (3487, 4720)]