About the Number

2005013985

2005013984 ← → 2005013986

2進数表記:1110111100000100001010111100001

漢数字表記:二十億五百一万三千九百八十五

素因数分解:

3 1 × 5 1 × 13 1 × 73 1 × 83 1 × 1697 1

素因数の和:1874
約数の個数: 64
約数和(自身を含む): 3546402048
約数和(自身を除く): 1541388063

約数列:
[1, 3, 5, 13, 15, 39, 65, 73, 83, 195, 219, 249, 365, 415, 949, 1079, 1095, 1245, 1697, 2847, 3237, 4745, 5091, 5395, 6059, 8485, 14235, 16185, 18177, 22061, 25455, 30295, 66183, 78767, 90885, 110305, 123881, 140851, 236301, 330915, 371643, 393835, 422553, 619405, 704255, 1181505, 1610453, 1831063, 1858215, 2112765, 4831359, 5493189, 8052265, 9155315, 10282123, 24156795, 27465945, 30846369, 51410615, 133667599, 154231845, 401002797, 668337995, 2005013985]

約数ペア:
[(1, 2005013985), (3, 668337995), (5, 401002797), (13, 154231845), (15, 133667599), (39, 51410615), (65, 30846369), (73, 27465945), (83, 24156795), (195, 10282123), (219, 9155315), (249, 8052265), (365, 5493189), (415, 4831359), (949, 2112765), (1079, 1858215), (1095, 1831063), (1245, 1610453), (1697, 1181505), (2847, 704255), (3237, 619405), (4745, 422553), (5091, 393835), (5395, 371643), (6059, 330915), (8485, 236301), (14235, 140851), (16185, 123881), (18177, 110305), (22061, 90885), (25455, 78767), (30295, 66183)]

このpageの処理時間: 0.726529598236084 seconds