28626920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5381}}^1$

素因数の和:5418

約数の個数: 64

約数和(自身を含む): 77500800

約数和(自身を除く): 48873880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 5381, 10762, 21524, 26905, 37667, 43048, 53810, 75334, 102239, 107620, 150668, 188335, 204478, 215240, 301336, 376670, 408956, 511195, 715673, 753340, 817912, 1022390, 1431346, 1506680, 2044780, 2862692, 3578365, 4089560, 5725384, 7156730, 14313460, 28626920]

約数ペア:

[(1, 28626920), (2, 14313460), (4, 7156730), (5, 5725384), (7, 4089560), (8, 3578365), (10, 2862692), (14, 2044780), (19, 1506680), (20, 1431346), (28, 1022390), (35, 817912), (38, 753340), (40, 715673), (56, 511195), (70, 408956), (76, 376670), (95, 301336), (133, 215240), (140, 204478), (152, 188335), (190, 150668), (266, 107620), (280, 102239), (380, 75334), (532, 53810), (665, 43048), (760, 37667), (1064, 26905), (1330, 21524), (2660, 10762), (5320, 5381)]