39642680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:301

約数の個数: 128

約数和(自身を含む): 113564160

約数和(自身を除く): 73921480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 61, 70, 77, 88, 110, 122, 140, 154, 211, 220, 244, 280, 305, 308, 385, 422, 427, 440, 488, 610, 616, 671, 770, 844, 854, 1055, 1220, 1342, 1477, 1540, 1688, 1708, 2110, 2135, 2321, 2440, 2684, 2954, 3080, 3355, 3416, 4220, 4270, 4642, 4697, 5368, 5908, 6710, 7385, 8440, 8540, 9284, 9394, 11605, 11816, 12871, 13420, 14770, 16247, 17080, 18568, 18788, 23210, 23485, 25742, 26840, 29540, 32494, 37576, 46420, 46970, 51484, 59080, 64355, 64988, 81235, 90097, 92840, 93940, 102968, 128710, 129976, 141581, 162470, 180194, 187880, 257420, 283162, 324940, 360388, 450485, 514840, 566324, 649880, 707905, 720776, 900970, 991067, 1132648, 1415810, 1801940, 1982134, 2831620, 3603880, 3964268, 4955335, 5663240, 7928536, 9910670, 19821340, 39642680]

約数ペア:

[(1, 39642680), (2, 19821340), (4, 9910670), (5, 7928536), (7, 5663240), (8, 4955335), (10, 3964268), (11, 3603880), (14, 2831620), (20, 1982134), (22, 1801940), (28, 1415810), (35, 1132648), (40, 991067), (44, 900970), (55, 720776), (56, 707905), (61, 649880), (70, 566324), (77, 514840), (88, 450485), (110, 360388), (122, 324940), (140, 283162), (154, 257420), (211, 187880), (220, 180194), (244, 162470), (280, 141581), (305, 129976), (308, 128710), (385, 102968), (422, 93940), (427, 92840), (440, 90097), (488, 81235), (610, 64988), (616, 64355), (671, 59080), (770, 51484), (844, 46970), (854, 46420), (1055, 37576), (1220, 32494), (1342, 29540), (1477, 26840), (1540, 25742), (1688, 23485), (1708, 23210), (2110, 18788), (2135, 18568), (2321, 17080), (2440, 16247), (2684, 14770), (2954, 13420), (3080, 12871), (3355, 11816), (3416, 11605), (4220, 9394), (4270, 9284), (4642, 8540), (4697, 8440), (5368, 7385), (5908, 6710)]