26850980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1693}}^1$

素因数の和:1776

約数の個数: 48

約数和(自身を含む): 61756464

約数和(自身を除く): 34905484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 1693, 3172, 3386, 3965, 6772, 7930, 8465, 15860, 16930, 22009, 33860, 44018, 88036, 103273, 110045, 206546, 220090, 413092, 440180, 516365, 1032730, 1342549, 2065460, 2685098, 5370196, 6712745, 13425490, 26850980]

約数ペア:

[(1, 26850980), (2, 13425490), (4, 6712745), (5, 5370196), (10, 2685098), (13, 2065460), (20, 1342549), (26, 1032730), (52, 516365), (61, 440180), (65, 413092), (122, 220090), (130, 206546), (244, 110045), (260, 103273), (305, 88036), (610, 44018), (793, 33860), (1220, 22009), (1586, 16930), (1693, 15860), (3172, 8465), (3386, 7930), (3965, 6772)]