38385440

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:226

約数の個数: 96

約数和(自身を含む): 95800320

約数和(自身を除く): 57414880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 71, 80, 109, 124, 142, 155, 160, 218, 248, 284, 310, 355, 436, 496, 545, 568, 620, 710, 872, 992, 1090, 1136, 1240, 1420, 1744, 2180, 2201, 2272, 2480, 2840, 3379, 3488, 4360, 4402, 4960, 5680, 6758, 7739, 8720, 8804, 11005, 11360, 13516, 15478, 16895, 17440, 17608, 22010, 27032, 30956, 33790, 35216, 38695, 44020, 54064, 61912, 67580, 70432, 77390, 88040, 108128, 123824, 135160, 154780, 176080, 239909, 247648, 270320, 309560, 352160, 479818, 540640, 619120, 959636, 1199545, 1238240, 1919272, 2399090, 3838544, 4798180, 7677088, 9596360, 19192720, 38385440]

約数ペア:

[(1, 38385440), (2, 19192720), (4, 9596360), (5, 7677088), (8, 4798180), (10, 3838544), (16, 2399090), (20, 1919272), (31, 1238240), (32, 1199545), (40, 959636), (62, 619120), (71, 540640), (80, 479818), (109, 352160), (124, 309560), (142, 270320), (155, 247648), (160, 239909), (218, 176080), (248, 154780), (284, 135160), (310, 123824), (355, 108128), (436, 88040), (496, 77390), (545, 70432), (568, 67580), (620, 61912), (710, 54064), (872, 44020), (992, 38695), (1090, 35216), (1136, 33790), (1240, 30956), (1420, 27032), (1744, 22010), (2180, 17608), (2201, 17440), (2272, 16895), (2480, 15478), (2840, 13516), (3379, 11360), (3488, 11005), (4360, 8804), (4402, 8720), (4960, 7739), (5680, 6758)]