31929040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2791}}^1$

素因数の和:2828

約数の個数: 80

約数和(自身を含む): 87244416

約数和(自身を除く): 55315376

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2791, 2860, 5582, 5720, 11164, 11440, 13955, 22328, 27910, 30701, 36283, 44656, 55820, 61402, 72566, 111640, 122804, 145132, 153505, 181415, 223280, 245608, 290264, 307010, 362830, 399113, 491216, 580528, 614020, 725660, 798226, 1228040, 1451320, 1596452, 1995565, 2456080, 2902640, 3192904, 3991130, 6385808, 7982260, 15964520, 31929040]

約数ペア:

[(1, 31929040), (2, 15964520), (4, 7982260), (5, 6385808), (8, 3991130), (10, 3192904), (11, 2902640), (13, 2456080), (16, 1995565), (20, 1596452), (22, 1451320), (26, 1228040), (40, 798226), (44, 725660), (52, 614020), (55, 580528), (65, 491216), (80, 399113), (88, 362830), (104, 307010), (110, 290264), (130, 245608), (143, 223280), (176, 181415), (208, 153505), (220, 145132), (260, 122804), (286, 111640), (440, 72566), (520, 61402), (572, 55820), (715, 44656), (880, 36283), (1040, 30701), (1144, 27910), (1430, 22328), (2288, 13955), (2791, 11440), (2860, 11164), (5582, 5720)]