28495960

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{1129}}^1$

素因数の和:1771

約数の個数: 32

約数和(自身を含む): 64274400

約数和(自身を除く): 35778440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1129, 1262, 2258, 2524, 3155, 4516, 5048, 5645, 6310, 9032, 11290, 12620, 22580, 25240, 45160, 712399, 1424798, 2849596, 3561995, 5699192, 7123990, 14247980, 28495960]

約数ペア:

[(1, 28495960), (2, 14247980), (4, 7123990), (5, 5699192), (8, 3561995), (10, 2849596), (20, 1424798), (40, 712399), (631, 45160), (1129, 25240), (1262, 22580), (2258, 12620), (2524, 11290), (3155, 9032), (4516, 6310), (5048, 5645)]