20161250980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4561369}}^1$

素因数の和:4561408

約数の個数: 48

約数和(自身を含む): 48277540080

約数和(自身を除く): 28116289100

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 4561369, 9122738, 18245476, 22806845, 45613690, 59297797, 77543273, 91227380, 118595594, 155086546, 237191188, 296488985, 310173092, 387716365, 592977970, 775432730, 1008062549, 1185955940, 1550865460, 2016125098, 4032250196, 5040312745, 10080625490, 20161250980]

約数ペア:

[(1, 20161250980), (2, 10080625490), (4, 5040312745), (5, 4032250196), (10, 2016125098), (13, 1550865460), (17, 1185955940), (20, 1008062549), (26, 775432730), (34, 592977970), (52, 387716365), (65, 310173092), (68, 296488985), (85, 237191188), (130, 155086546), (170, 118595594), (221, 91227380), (260, 77543273), (340, 59297797), (442, 45613690), (884, 22806845), (1105, 18245476), (2210, 9122738), (4420, 4561369)]