16742960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{947}}^1$

素因数の和:990

約数の個数: 80

約数和(自身を含む): 44434656

約数和(自身を除く): 27691696

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 947, 1040, 1105, 1360, 1768, 1894, 2210, 3536, 3788, 4420, 4735, 7576, 8840, 9470, 12311, 15152, 16099, 17680, 18940, 24622, 32198, 37880, 49244, 61555, 64396, 75760, 80495, 98488, 123110, 128792, 160990, 196976, 209287, 246220, 257584, 321980, 418574, 492440, 643960, 837148, 984880, 1046435, 1287920, 1674296, 2092870, 3348592, 4185740, 8371480, 16742960]

約数ペア:

[(1, 16742960), (2, 8371480), (4, 4185740), (5, 3348592), (8, 2092870), (10, 1674296), (13, 1287920), (16, 1046435), (17, 984880), (20, 837148), (26, 643960), (34, 492440), (40, 418574), (52, 321980), (65, 257584), (68, 246220), (80, 209287), (85, 196976), (104, 160990), (130, 128792), (136, 123110), (170, 98488), (208, 80495), (221, 75760), (260, 64396), (272, 61555), (340, 49244), (442, 37880), (520, 32198), (680, 24622), (884, 18940), (947, 17680), (1040, 16099), (1105, 15152), (1360, 12311), (1768, 9470), (1894, 8840), (2210, 7576), (3536, 4735), (3788, 4420)]