72169840

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{22003}}^1$

素因数の和:22057

約数の個数: 40

約数和(自身を含む): 171895248

約数和(自身を除く): 99725408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 22003, 44006, 88012, 110015, 176024, 220030, 352048, 440060, 880120, 902123, 1760240, 1804246, 3608492, 4510615, 7216984, 9021230, 14433968, 18042460, 36084920, 72169840]

約数ペア:

[(1, 72169840), (2, 36084920), (4, 18042460), (5, 14433968), (8, 9021230), (10, 7216984), (16, 4510615), (20, 3608492), (40, 1804246), (41, 1760240), (80, 902123), (82, 880120), (164, 440060), (205, 352048), (328, 220030), (410, 176024), (656, 110015), (820, 88012), (1640, 44006), (3280, 22003)]