25721940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13829}}^1$

素因数の和:13872

約数の個数: 48

約数和(自身を含む): 74350080

約数和(自身を除く): 48628140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 13829, 27658, 41487, 55316, 69145, 82974, 138290, 165948, 207435, 276580, 414870, 428699, 829740, 857398, 1286097, 1714796, 2143495, 2572194, 4286990, 5144388, 6430485, 8573980, 12860970, 25721940]

約数ペア:

[(1, 25721940), (2, 12860970), (3, 8573980), (4, 6430485), (5, 5144388), (6, 4286990), (10, 2572194), (12, 2143495), (15, 1714796), (20, 1286097), (30, 857398), (31, 829740), (60, 428699), (62, 414870), (93, 276580), (124, 207435), (155, 165948), (186, 138290), (310, 82974), (372, 69145), (465, 55316), (620, 41487), (930, 27658), (1860, 13829)]