16841680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6791}}^1$

素因数の和:6835

約数の個数: 40

約数和(自身を含む): 40425984

約数和(自身を除く): 23584304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 6791, 13582, 27164, 33955, 54328, 67910, 108656, 135820, 210521, 271640, 421042, 543280, 842084, 1052605, 1684168, 2105210, 3368336, 4210420, 8420840, 16841680]

約数ペア:

[(1, 16841680), (2, 8420840), (4, 4210420), (5, 3368336), (8, 2105210), (10, 1684168), (16, 1052605), (20, 842084), (31, 543280), (40, 421042), (62, 271640), (80, 210521), (124, 135820), (155, 108656), (248, 67910), (310, 54328), (496, 33955), (620, 27164), (1240, 13582), (2480, 6791)]