28448080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11471}}^1$

素因数の和:11515

約数の個数: 40

約数和(自身を含む): 68281344

約数和(自身を除く): 39833264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 11471, 22942, 45884, 57355, 91768, 114710, 183536, 229420, 355601, 458840, 711202, 917680, 1422404, 1778005, 2844808, 3556010, 5689616, 7112020, 14224040, 28448080]

約数ペア:

[(1, 28448080), (2, 14224040), (4, 7112020), (5, 5689616), (8, 3556010), (10, 2844808), (16, 1778005), (20, 1422404), (31, 917680), (40, 711202), (62, 458840), (80, 355601), (124, 229420), (155, 183536), (248, 114710), (310, 91768), (496, 57355), (620, 45884), (1240, 22942), (2480, 11471)]