72454520

素因数分解:

$2^3\times 5^1\times {\mathrm{1153}}^1\times {\mathrm{1571}}^1$

素因数の和:2735

約数の個数: 32

約数和(自身を含む): 163267920

約数和(自身を除く): 90813400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1153, 1571, 2306, 3142, 4612, 5765, 6284, 7855, 9224, 11530, 12568, 15710, 23060, 31420, 46120, 62840, 1811363, 3622726, 7245452, 9056815, 14490904, 18113630, 36227260, 72454520]

約数ペア:

[(1, 72454520), (2, 36227260), (4, 18113630), (5, 14490904), (8, 9056815), (10, 7245452), (20, 3622726), (40, 1811363), (1153, 62840), (1571, 46120), (2306, 31420), (3142, 23060), (4612, 15710), (5765, 12568), (6284, 11530), (7855, 9224)]