28145360

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:228

約数の個数: 80

約数和(自身を含む): 68299200

約数和(自身を除く): 40153840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 67, 80, 89, 118, 134, 178, 236, 268, 295, 335, 356, 445, 472, 536, 590, 670, 712, 890, 944, 1072, 1180, 1340, 1424, 1780, 2360, 2680, 3560, 3953, 4720, 5251, 5360, 5963, 7120, 7906, 10502, 11926, 15812, 19765, 21004, 23852, 26255, 29815, 31624, 39530, 42008, 47704, 52510, 59630, 63248, 79060, 84016, 95408, 105020, 119260, 158120, 210040, 238520, 316240, 351817, 420080, 477040, 703634, 1407268, 1759085, 2814536, 3518170, 5629072, 7036340, 14072680, 28145360]

約数ペア:

[(1, 28145360), (2, 14072680), (4, 7036340), (5, 5629072), (8, 3518170), (10, 2814536), (16, 1759085), (20, 1407268), (40, 703634), (59, 477040), (67, 420080), (80, 351817), (89, 316240), (118, 238520), (134, 210040), (178, 158120), (236, 119260), (268, 105020), (295, 95408), (335, 84016), (356, 79060), (445, 63248), (472, 59630), (536, 52510), (590, 47704), (670, 42008), (712, 39530), (890, 31624), (944, 29815), (1072, 26255), (1180, 23852), (1340, 21004), (1424, 19765), (1780, 15812), (2360, 11926), (2680, 10502), (3560, 7906), (3953, 7120), (4720, 5963), (5251, 5360)]