28546040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{23021}}^1$

素因数の和:23063

約数の個数: 32

約数和(自身を含む): 66303360

約数和(自身を除く): 37757320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 23021, 46042, 92084, 115105, 184168, 230210, 460420, 713651, 920840, 1427302, 2854604, 3568255, 5709208, 7136510, 14273020, 28546040]

約数ペア:

[(1, 28546040), (2, 14273020), (4, 7136510), (5, 5709208), (8, 3568255), (10, 2854604), (20, 1427302), (31, 920840), (40, 713651), (62, 460420), (124, 230210), (155, 184168), (248, 115105), (310, 92084), (620, 46042), (1240, 23021)]