8409680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3391}}^1$

素因数の和:3435

約数の個数: 40

約数和(自身を含む): 20189184

約数和(自身を除く): 11779504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 3391, 6782, 13564, 16955, 27128, 33910, 54256, 67820, 105121, 135640, 210242, 271280, 420484, 525605, 840968, 1051210, 1681936, 2102420, 4204840, 8409680]

約数ペア:

[(1, 8409680), (2, 4204840), (4, 2102420), (5, 1681936), (8, 1051210), (10, 840968), (16, 525605), (20, 420484), (31, 271280), (40, 210242), (62, 135640), (80, 105121), (124, 67820), (155, 54256), (248, 33910), (310, 27128), (496, 16955), (620, 13564), (1240, 6782), (2480, 3391)]