40425980

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:184

約数の個数: 96

約数和(自身を含む): 101606400

約数和(自身を除く): 61180420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 83, 98, 140, 142, 166, 196, 245, 284, 332, 343, 355, 415, 490, 497, 581, 686, 710, 830, 980, 994, 1162, 1372, 1420, 1660, 1715, 1988, 2324, 2485, 2905, 3430, 3479, 4067, 4970, 5810, 5893, 6860, 6958, 8134, 9940, 11620, 11786, 13916, 16268, 17395, 20335, 23572, 24353, 28469, 29465, 34790, 40670, 41251, 48706, 56938, 58930, 69580, 81340, 82502, 97412, 113876, 117860, 121765, 142345, 165004, 206255, 243530, 284690, 288757, 412510, 487060, 569380, 577514, 825020, 1155028, 1443785, 2021299, 2887570, 4042598, 5775140, 8085196, 10106495, 20212990, 40425980]

約数ペア:

[(1, 40425980), (2, 20212990), (4, 10106495), (5, 8085196), (7, 5775140), (10, 4042598), (14, 2887570), (20, 2021299), (28, 1443785), (35, 1155028), (49, 825020), (70, 577514), (71, 569380), (83, 487060), (98, 412510), (140, 288757), (142, 284690), (166, 243530), (196, 206255), (245, 165004), (284, 142345), (332, 121765), (343, 117860), (355, 113876), (415, 97412), (490, 82502), (497, 81340), (581, 69580), (686, 58930), (710, 56938), (830, 48706), (980, 41251), (994, 40670), (1162, 34790), (1372, 29465), (1420, 28469), (1660, 24353), (1715, 23572), (1988, 20335), (2324, 17395), (2485, 16268), (2905, 13916), (3430, 11786), (3479, 11620), (4067, 9940), (4970, 8134), (5810, 6958), (5893, 6860)]