72958640

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{10247}}^1$

素因数の和:10349

約数の個数: 40

約数和(自身を含む): 171551520

約数和(自身を除く): 98592880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 10247, 20494, 40988, 51235, 81976, 102470, 163952, 204940, 409880, 819760, 911983, 1823966, 3647932, 4559915, 7295864, 9119830, 14591728, 18239660, 36479320, 72958640]

約数ペア:

[(1, 72958640), (2, 36479320), (4, 18239660), (5, 14591728), (8, 9119830), (10, 7295864), (16, 4559915), (20, 3647932), (40, 1823966), (80, 911983), (89, 819760), (178, 409880), (356, 204940), (445, 163952), (712, 102470), (890, 81976), (1424, 51235), (1780, 40988), (3560, 20494), (7120, 10247)]