40158440

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{2927}}^1$

素因数の和:2959

約数の個数: 64

約数和(自身を含む): 105408000

約数和(自身を除く): 65249560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 2927, 3430, 5854, 6860, 11708, 13720, 14635, 20489, 23416, 29270, 40978, 58540, 81956, 102445, 117080, 143423, 163912, 204890, 286846, 409780, 573692, 717115, 819560, 1003961, 1147384, 1434230, 2007922, 2868460, 4015844, 5019805, 5736920, 8031688, 10039610, 20079220, 40158440]

約数ペア:

[(1, 40158440), (2, 20079220), (4, 10039610), (5, 8031688), (7, 5736920), (8, 5019805), (10, 4015844), (14, 2868460), (20, 2007922), (28, 1434230), (35, 1147384), (40, 1003961), (49, 819560), (56, 717115), (70, 573692), (98, 409780), (140, 286846), (196, 204890), (245, 163912), (280, 143423), (343, 117080), (392, 102445), (490, 81956), (686, 58540), (980, 40978), (1372, 29270), (1715, 23416), (1960, 20489), (2744, 14635), (2927, 13720), (3430, 11708), (5854, 6860)]