39503920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{937}}^1$

素因数の和:998

約数の個数: 80

約数和(自身を含む): 100493568

約数和(自身を除く): 60989648

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 680, 937, 1054, 1240, 1360, 1874, 2108, 2480, 2635, 3748, 4216, 4685, 5270, 7496, 8432, 9370, 10540, 14992, 15929, 18740, 21080, 29047, 31858, 37480, 42160, 58094, 63716, 74960, 79645, 116188, 127432, 145235, 159290, 232376, 254864, 290470, 318580, 464752, 493799, 580940, 637160, 987598, 1161880, 1274320, 1975196, 2323760, 2468995, 3950392, 4937990, 7900784, 9875980, 19751960, 39503920]

約数ペア:

[(1, 39503920), (2, 19751960), (4, 9875980), (5, 7900784), (8, 4937990), (10, 3950392), (16, 2468995), (17, 2323760), (20, 1975196), (31, 1274320), (34, 1161880), (40, 987598), (62, 637160), (68, 580940), (80, 493799), (85, 464752), (124, 318580), (136, 290470), (155, 254864), (170, 232376), (248, 159290), (272, 145235), (310, 127432), (340, 116188), (496, 79645), (527, 74960), (620, 63716), (680, 58094), (937, 42160), (1054, 37480), (1240, 31858), (1360, 29047), (1874, 21080), (2108, 18740), (2480, 15929), (2635, 14992), (3748, 10540), (4216, 9370), (4685, 8432), (5270, 7496)]