31079980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{50129}}^1$

素因数の和:50169

約数の個数: 24

約数和(自身を含む): 67374720

約数和(自身を除く): 36294740

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 50129, 100258, 200516, 250645, 501290, 1002580, 1553999, 3107998, 6215996, 7769995, 15539990, 31079980]

約数ペア:

[(1, 31079980), (2, 15539990), (4, 7769995), (5, 6215996), (10, 3107998), (20, 1553999), (31, 1002580), (62, 501290), (124, 250645), (155, 200516), (310, 100258), (620, 50129)]