25940980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5869}}^1$

素因数の和:5908

約数の個数: 48

約数和(自身を含む): 62128080

約数和(自身を除く): 36187100

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, 5869, 11738, 23476, 29345, 58690, 76297, 99773, 117380, 152594, 199546, 305188, 381485, 399092, 498865, 762970, 997730, 1297049, 1525940, 1995460, 2594098, 5188196, 6485245, 12970490, 25940980]

約数ペア:

[(1, 25940980), (2, 12970490), (4, 6485245), (5, 5188196), (10, 2594098), (13, 1995460), (17, 1525940), (20, 1297049), (26, 997730), (34, 762970), (52, 498865), (65, 399092), (68, 381485), (85, 305188), (130, 199546), (170, 152594), (221, 117380), (260, 99773), (340, 76297), (442, 58690), (884, 29345), (1105, 23476), (2210, 11738), (4420, 5869)]