80230020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{102859}}^1$

素因数の和:102884

約数の個数: 48

約数和(自身を含む): 241926720

約数和(自身を除く): 161696700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 102859, 205718, 308577, 411436, 514295, 617154, 1028590, 1234308, 1337167, 1542885, 2057180, 2674334, 3085770, 4011501, 5348668, 6171540, 6685835, 8023002, 13371670, 16046004, 20057505, 26743340, 40115010, 80230020]

約数ペア:

[(1, 80230020), (2, 40115010), (3, 26743340), (4, 20057505), (5, 16046004), (6, 13371670), (10, 8023002), (12, 6685835), (13, 6171540), (15, 5348668), (20, 4011501), (26, 3085770), (30, 2674334), (39, 2057180), (52, 1542885), (60, 1337167), (65, 1234308), (78, 1028590), (130, 617154), (156, 514295), (195, 411436), (260, 308577), (390, 205718), (780, 102859)]