25135720

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 58605120

約数和(自身を除く): 33469400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 83, 113, 134, 166, 226, 268, 332, 335, 415, 452, 536, 565, 664, 670, 830, 904, 1130, 1340, 1660, 2260, 2680, 3320, 4520, 5561, 7571, 9379, 11122, 15142, 18758, 22244, 27805, 30284, 37516, 37855, 44488, 46895, 55610, 60568, 75032, 75710, 93790, 111220, 151420, 187580, 222440, 302840, 375160, 628393, 1256786, 2513572, 3141965, 5027144, 6283930, 12567860, 25135720]

約数ペア:

[(1, 25135720), (2, 12567860), (4, 6283930), (5, 5027144), (8, 3141965), (10, 2513572), (20, 1256786), (40, 628393), (67, 375160), (83, 302840), (113, 222440), (134, 187580), (166, 151420), (226, 111220), (268, 93790), (332, 75710), (335, 75032), (415, 60568), (452, 55610), (536, 46895), (565, 44488), (664, 37855), (670, 37516), (830, 30284), (904, 27805), (1130, 22244), (1340, 18758), (1660, 15142), (2260, 11122), (2680, 9379), (3320, 7571), (4520, 5561)]