28507580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2137}}^1$

素因数の和:2198

約数の個数: 48

約数和(自身を含む): 64653120

約数和(自身を除く): 36145540

約数列:

[1, 2, 4, 5, 10, 20, 23, 29, 46, 58, 92, 115, 116, 145, 230, 290, 460, 580, 667, 1334, 2137, 2668, 3335, 4274, 6670, 8548, 10685, 13340, 21370, 42740, 49151, 61973, 98302, 123946, 196604, 245755, 247892, 309865, 491510, 619730, 983020, 1239460, 1425379, 2850758, 5701516, 7126895, 14253790, 28507580]

約数ペア:

[(1, 28507580), (2, 14253790), (4, 7126895), (5, 5701516), (10, 2850758), (20, 1425379), (23, 1239460), (29, 983020), (46, 619730), (58, 491510), (92, 309865), (115, 247892), (116, 245755), (145, 196604), (230, 123946), (290, 98302), (460, 61973), (580, 49151), (667, 42740), (1334, 21370), (2137, 13340), (2668, 10685), (3335, 8548), (4274, 6670)]