38399080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{179}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 90201600

約数和(自身を除く): 51802520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 173, 179, 248, 310, 346, 358, 620, 692, 716, 865, 895, 1240, 1384, 1432, 1730, 1790, 3460, 3580, 5363, 5549, 6920, 7160, 10726, 11098, 21452, 22196, 26815, 27745, 30967, 42904, 44392, 53630, 55490, 61934, 107260, 110980, 123868, 154835, 214520, 221960, 247736, 309670, 619340, 959977, 1238680, 1919954, 3839908, 4799885, 7679816, 9599770, 19199540, 38399080]

約数ペア:

[(1, 38399080), (2, 19199540), (4, 9599770), (5, 7679816), (8, 4799885), (10, 3839908), (20, 1919954), (31, 1238680), (40, 959977), (62, 619340), (124, 309670), (155, 247736), (173, 221960), (179, 214520), (248, 154835), (310, 123868), (346, 110980), (358, 107260), (620, 61934), (692, 55490), (716, 53630), (865, 44392), (895, 42904), (1240, 30967), (1384, 27745), (1432, 26815), (1730, 22196), (1790, 21452), (3460, 11098), (3580, 10726), (5363, 7160), (5549, 6920)]