42868040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{191}}^1$

素因数の和:414

約数の個数: 64

約数和(自身を含む): 100638720

約数和(自身を除く): 57770680

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 181, 191, 248, 310, 362, 382, 620, 724, 764, 905, 955, 1240, 1448, 1528, 1810, 1910, 3620, 3820, 5611, 5921, 7240, 7640, 11222, 11842, 22444, 23684, 28055, 29605, 34571, 44888, 47368, 56110, 59210, 69142, 112220, 118420, 138284, 172855, 224440, 236840, 276568, 345710, 691420, 1071701, 1382840, 2143402, 4286804, 5358505, 8573608, 10717010, 21434020, 42868040]

約数ペア:

[(1, 42868040), (2, 21434020), (4, 10717010), (5, 8573608), (8, 5358505), (10, 4286804), (20, 2143402), (31, 1382840), (40, 1071701), (62, 691420), (124, 345710), (155, 276568), (181, 236840), (191, 224440), (248, 172855), (310, 138284), (362, 118420), (382, 112220), (620, 69142), (724, 59210), (764, 56110), (905, 47368), (955, 44888), (1240, 34571), (1448, 29605), (1528, 28055), (1810, 23684), (1910, 22444), (3620, 11842), (3820, 11222), (5611, 7640), (5921, 7240)]