80118880

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:632

約数の個数: 96

約数和(自身を含む): 202487040

約数和(自身を除く): 122368160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 32, 40, 58, 62, 80, 116, 124, 145, 155, 160, 232, 248, 290, 310, 464, 496, 557, 580, 620, 899, 928, 992, 1114, 1160, 1240, 1798, 2228, 2320, 2480, 2785, 3596, 4456, 4495, 4640, 4960, 5570, 7192, 8912, 8990, 11140, 14384, 16153, 17267, 17824, 17980, 22280, 28768, 32306, 34534, 35960, 44560, 64612, 69068, 71920, 80765, 86335, 89120, 129224, 138136, 143840, 161530, 172670, 258448, 276272, 323060, 345340, 500743, 516896, 552544, 646120, 690680, 1001486, 1292240, 1381360, 2002972, 2503715, 2584480, 2762720, 4005944, 5007430, 8011888, 10014860, 16023776, 20029720, 40059440, 80118880]

約数ペア:

[(1, 80118880), (2, 40059440), (4, 20029720), (5, 16023776), (8, 10014860), (10, 8011888), (16, 5007430), (20, 4005944), (29, 2762720), (31, 2584480), (32, 2503715), (40, 2002972), (58, 1381360), (62, 1292240), (80, 1001486), (116, 690680), (124, 646120), (145, 552544), (155, 516896), (160, 500743), (232, 345340), (248, 323060), (290, 276272), (310, 258448), (464, 172670), (496, 161530), (557, 143840), (580, 138136), (620, 129224), (899, 89120), (928, 86335), (992, 80765), (1114, 71920), (1160, 69068), (1240, 64612), (1798, 44560), (2228, 35960), (2320, 34534), (2480, 32306), (2785, 28768), (3596, 22280), (4456, 17980), (4495, 17824), (4640, 17267), (4960, 16153), (5570, 14384), (7192, 11140), (8912, 8990)]