19405393360

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{647}}^1\times {\mathrm{4517}}^1$

素因数の和:5260

約数の個数: 80

約数和(自身を含む): 45741822336

約数和(自身を除く): 26336428976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 647, 664, 830, 1294, 1328, 1660, 2588, 3235, 3320, 4517, 5176, 6470, 6640, 9034, 10352, 12940, 18068, 22585, 25880, 36136, 45170, 51760, 53701, 72272, 90340, 107402, 180680, 214804, 268505, 361360, 374911, 429608, 537010, 749822, 859216, 1074020, 1499644, 1874555, 2148040, 2922499, 2999288, 3749110, 4296080, 5844998, 5998576, 7498220, 11689996, 14612495, 14996440, 23379992, 29224990, 29992880, 46759984, 58449980, 116899960, 233799920, 242567417, 485134834, 970269668, 1212837085, 1940539336, 2425674170, 3881078672, 4851348340, 9702696680, 19405393360]

約数ペア:

[(1, 19405393360), (2, 9702696680), (4, 4851348340), (5, 3881078672), (8, 2425674170), (10, 1940539336), (16, 1212837085), (20, 970269668), (40, 485134834), (80, 242567417), (83, 233799920), (166, 116899960), (332, 58449980), (415, 46759984), (647, 29992880), (664, 29224990), (830, 23379992), (1294, 14996440), (1328, 14612495), (1660, 11689996), (2588, 7498220), (3235, 5998576), (3320, 5844998), (4517, 4296080), (5176, 3749110), (6470, 2999288), (6640, 2922499), (9034, 2148040), (10352, 1874555), (12940, 1499644), (18068, 1074020), (22585, 859216), (25880, 749822), (36136, 537010), (45170, 429608), (51760, 374911), (53701, 361360), (72272, 268505), (90340, 214804), (107402, 180680)]