127169440

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{25639}}^1$

素因数の和:25685

約数の個数: 48

約数和(自身を含む): 310141440

約数和(自身を除く): 182972000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 25639, 51278, 102556, 128195, 205112, 256390, 410224, 512780, 794809, 820448, 1025560, 1589618, 2051120, 3179236, 3974045, 4102240, 6358472, 7948090, 12716944, 15896180, 25433888, 31792360, 63584720, 127169440]

約数ペア:

[(1, 127169440), (2, 63584720), (4, 31792360), (5, 25433888), (8, 15896180), (10, 12716944), (16, 7948090), (20, 6358472), (31, 4102240), (32, 3974045), (40, 3179236), (62, 2051120), (80, 1589618), (124, 1025560), (155, 820448), (160, 794809), (248, 512780), (310, 410224), (496, 256390), (620, 205112), (992, 128195), (1240, 102556), (2480, 51278), (4960, 25639)]