201388720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4723}}^1$

素因数の和:4790

約数の個数: 80

約数和(自身を含む): 516654432

約数和(自身を除く): 315265712

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 410, 520, 533, 656, 820, 1040, 1066, 1640, 2132, 2665, 3280, 4264, 4723, 5330, 8528, 9446, 10660, 18892, 21320, 23615, 37784, 42640, 47230, 61399, 75568, 94460, 122798, 188920, 193643, 245596, 306995, 377840, 387286, 491192, 613990, 774572, 968215, 982384, 1227980, 1549144, 1936430, 2455960, 2517359, 3098288, 3872860, 4911920, 5034718, 7745720, 10069436, 12586795, 15491440, 20138872, 25173590, 40277744, 50347180, 100694360, 201388720]

約数ペア:

[(1, 201388720), (2, 100694360), (4, 50347180), (5, 40277744), (8, 25173590), (10, 20138872), (13, 15491440), (16, 12586795), (20, 10069436), (26, 7745720), (40, 5034718), (41, 4911920), (52, 3872860), (65, 3098288), (80, 2517359), (82, 2455960), (104, 1936430), (130, 1549144), (164, 1227980), (205, 982384), (208, 968215), (260, 774572), (328, 613990), (410, 491192), (520, 387286), (533, 377840), (656, 306995), (820, 245596), (1040, 193643), (1066, 188920), (1640, 122798), (2132, 94460), (2665, 75568), (3280, 61399), (4264, 47230), (4723, 42640), (5330, 37784), (8528, 23615), (9446, 21320), (10660, 18892)]