24785980

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{349}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 53978400

約数和(自身を除く): 29192420

約数列:

[1, 2, 4, 5, 10, 20, 53, 67, 106, 134, 212, 265, 268, 335, 349, 530, 670, 698, 1060, 1340, 1396, 1745, 3490, 3551, 6980, 7102, 14204, 17755, 18497, 23383, 35510, 36994, 46766, 71020, 73988, 92485, 93532, 116915, 184970, 233830, 369940, 467660, 1239299, 2478598, 4957196, 6196495, 12392990, 24785980]

約数ペア:

[(1, 24785980), (2, 12392990), (4, 6196495), (5, 4957196), (10, 2478598), (20, 1239299), (53, 467660), (67, 369940), (106, 233830), (134, 184970), (212, 116915), (265, 93532), (268, 92485), (335, 73988), (349, 71020), (530, 46766), (670, 36994), (698, 35510), (1060, 23383), (1340, 18497), (1396, 17755), (1745, 14204), (3490, 7102), (3551, 6980)]