90442480

素因数分解:

$2^4\times 5^1\times {\mathrm{241}}^1\times {\mathrm{4691}}^1$

素因数の和:4945

約数の個数: 40

約数和(自身を含む): 211196304

約数和(自身を除く): 120753824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241, 482, 964, 1205, 1928, 2410, 3856, 4691, 4820, 9382, 9640, 18764, 19280, 23455, 37528, 46910, 75056, 93820, 187640, 375280, 1130531, 2261062, 4522124, 5652655, 9044248, 11305310, 18088496, 22610620, 45221240, 90442480]

約数ペア:

[(1, 90442480), (2, 45221240), (4, 22610620), (5, 18088496), (8, 11305310), (10, 9044248), (16, 5652655), (20, 4522124), (40, 2261062), (80, 1130531), (241, 375280), (482, 187640), (964, 93820), (1205, 75056), (1928, 46910), (2410, 37528), (3856, 23455), (4691, 19280), (4820, 18764), (9382, 9640)]