51945280

素因数分解:

$2^6\times 5^1\times {\mathrm{271}}^1\times {\mathrm{599}}^1$

素因数の和:887

約数の個数: 56

約数和(自身を含む): 124358400

約数和(自身を除く): 72413120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 271, 320, 542, 599, 1084, 1198, 1355, 2168, 2396, 2710, 2995, 4336, 4792, 5420, 5990, 8672, 9584, 10840, 11980, 17344, 19168, 21680, 23960, 38336, 43360, 47920, 86720, 95840, 162329, 191680, 324658, 649316, 811645, 1298632, 1623290, 2597264, 3246580, 5194528, 6493160, 10389056, 12986320, 25972640, 51945280]

約数ペア:

[(1, 51945280), (2, 25972640), (4, 12986320), (5, 10389056), (8, 6493160), (10, 5194528), (16, 3246580), (20, 2597264), (32, 1623290), (40, 1298632), (64, 811645), (80, 649316), (160, 324658), (271, 191680), (320, 162329), (542, 95840), (599, 86720), (1084, 47920), (1198, 43360), (1355, 38336), (2168, 23960), (2396, 21680), (2710, 19168), (2995, 17344), (4336, 11980), (4792, 10840), (5420, 9584), (5990, 8672)]