12240040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9871}}^1$

素因数の和:9913

約数の個数: 32

約数和(自身を含む): 28431360

約数和(自身を除く): 16191320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 9871, 19742, 39484, 49355, 78968, 98710, 197420, 306001, 394840, 612002, 1224004, 1530005, 2448008, 3060010, 6120020, 12240040]

約数ペア:

[(1, 12240040), (2, 6120020), (4, 3060010), (5, 2448008), (8, 1530005), (10, 1224004), (20, 612002), (31, 394840), (40, 306001), (62, 197420), (124, 98710), (155, 78968), (248, 49355), (310, 39484), (620, 19742), (1240, 9871)]