19751960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{937}}^1$

素因数の和:996

約数の個数: 64

約数和(自身を含む): 48625920

約数和(自身を除く): 28873960

約数列:

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

約数ペア:

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