83400980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18869}}^1$

素因数の和:18908

約数の個数: 48

約数和(自身を含む): 199720080

約数和(自身を除く): 116319100

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, 18869, 37738, 75476, 94345, 188690, 245297, 320773, 377380, 490594, 641546, 981188, 1226485, 1283092, 1603865, 2452970, 3207730, 4170049, 4905940, 6415460, 8340098, 16680196, 20850245, 41700490, 83400980]

約数ペア:

[(1, 83400980), (2, 41700490), (4, 20850245), (5, 16680196), (10, 8340098), (13, 6415460), (17, 4905940), (20, 4170049), (26, 3207730), (34, 2452970), (52, 1603865), (65, 1283092), (68, 1226485), (85, 981188), (130, 641546), (170, 490594), (221, 377380), (260, 320773), (340, 245297), (442, 188690), (884, 94345), (1105, 75476), (2210, 37738), (4420, 18869)]