42920560

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{5531}}^1$

素因数の和:5641

約数の個数: 40

約数和(自身を含む): 100837296

約数和(自身を除く): 57916736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 5531, 7760, 11062, 22124, 27655, 44248, 55310, 88496, 110620, 221240, 442480, 536507, 1073014, 2146028, 2682535, 4292056, 5365070, 8584112, 10730140, 21460280, 42920560]

約数ペア:

[(1, 42920560), (2, 21460280), (4, 10730140), (5, 8584112), (8, 5365070), (10, 4292056), (16, 2682535), (20, 2146028), (40, 1073014), (80, 536507), (97, 442480), (194, 221240), (388, 110620), (485, 88496), (776, 55310), (970, 44248), (1552, 27655), (1940, 22124), (3880, 11062), (5531, 7760)]