51362740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17959}}^1$

素因数の和:17992

約数の個数: 48

約数和(自身を含む): 126725760

約数和(自身を除く): 75363020

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 17959, 35918, 71836, 89795, 179590, 197549, 233467, 359180, 395098, 466934, 790196, 933868, 987745, 1167335, 1975490, 2334670, 2568137, 3950980, 4669340, 5136274, 10272548, 12840685, 25681370, 51362740]

約数ペア:

[(1, 51362740), (2, 25681370), (4, 12840685), (5, 10272548), (10, 5136274), (11, 4669340), (13, 3950980), (20, 2568137), (22, 2334670), (26, 1975490), (44, 1167335), (52, 987745), (55, 933868), (65, 790196), (110, 466934), (130, 395098), (143, 359180), (220, 233467), (260, 197549), (286, 179590), (572, 89795), (715, 71836), (1430, 35918), (2860, 17959)]