131293760

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{853}}^1$

素因数の和:920

約数の個数: 112

約数和(自身を含む): 346197936

約数和(自身を除く): 214904176

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 64, 65, 74, 80, 104, 130, 148, 160, 185, 208, 260, 296, 320, 370, 416, 481, 520, 592, 740, 832, 853, 962, 1040, 1184, 1480, 1706, 1924, 2080, 2368, 2405, 2960, 3412, 3848, 4160, 4265, 4810, 5920, 6824, 7696, 8530, 9620, 11089, 11840, 13648, 15392, 17060, 19240, 22178, 27296, 30784, 31561, 34120, 38480, 44356, 54592, 55445, 63122, 68240, 76960, 88712, 110890, 126244, 136480, 153920, 157805, 177424, 221780, 252488, 272960, 315610, 354848, 410293, 443560, 504976, 631220, 709696, 820586, 887120, 1009952, 1262440, 1641172, 1774240, 2019904, 2051465, 2524880, 3282344, 3548480, 4102930, 5049760, 6564688, 8205860, 10099520, 13129376, 16411720, 26258752, 32823440, 65646880, 131293760]

約数ペア:

[(1, 131293760), (2, 65646880), (4, 32823440), (5, 26258752), (8, 16411720), (10, 13129376), (13, 10099520), (16, 8205860), (20, 6564688), (26, 5049760), (32, 4102930), (37, 3548480), (40, 3282344), (52, 2524880), (64, 2051465), (65, 2019904), (74, 1774240), (80, 1641172), (104, 1262440), (130, 1009952), (148, 887120), (160, 820586), (185, 709696), (208, 631220), (260, 504976), (296, 443560), (320, 410293), (370, 354848), (416, 315610), (481, 272960), (520, 252488), (592, 221780), (740, 177424), (832, 157805), (853, 153920), (962, 136480), (1040, 126244), (1184, 110890), (1480, 88712), (1706, 76960), (1924, 68240), (2080, 63122), (2368, 55445), (2405, 54592), (2960, 44356), (3412, 38480), (3848, 34120), (4160, 31561), (4265, 30784), (4810, 27296), (5920, 22178), (6824, 19240), (7696, 17060), (8530, 15392), (9620, 13648), (11089, 11840)]