2100028060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{113761}}^1$

素因数の和:113854

約数の個数: 48

約数和(自身を含む): 4816228032

約数和(自身を除く): 2716199972

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3692, 4615, 9230, 18460, 113761, 227522, 455044, 568805, 1137610, 1478893, 2275220, 2957786, 5915572, 7394465, 8077031, 14788930, 16154062, 29577860, 32308124, 40385155, 80770310, 105001403, 161540620, 210002806, 420005612, 525007015, 1050014030, 2100028060]

約数ペア:

[(1, 2100028060), (2, 1050014030), (4, 525007015), (5, 420005612), (10, 210002806), (13, 161540620), (20, 105001403), (26, 80770310), (52, 40385155), (65, 32308124), (71, 29577860), (130, 16154062), (142, 14788930), (260, 8077031), (284, 7394465), (355, 5915572), (710, 2957786), (923, 2275220), (1420, 1478893), (1846, 1137610), (3692, 568805), (4615, 455044), (9230, 227522), (18460, 113761)]