253215040

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{60869}}^1$

素因数の和:60899

約数の個数: 56

約数和(自身を含む): 649361160

約数和(自身を除く): 396146120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 60869, 121738, 243476, 304345, 486952, 608690, 791297, 973904, 1217380, 1582594, 1947808, 2434760, 3165188, 3895616, 3956485, 4869520, 6330376, 7912970, 9739040, 12660752, 15825940, 19478080, 25321504, 31651880, 50643008, 63303760, 126607520, 253215040]

約数ペア:

[(1, 253215040), (2, 126607520), (4, 63303760), (5, 50643008), (8, 31651880), (10, 25321504), (13, 19478080), (16, 15825940), (20, 12660752), (26, 9739040), (32, 7912970), (40, 6330376), (52, 4869520), (64, 3956485), (65, 3895616), (80, 3165188), (104, 2434760), (130, 1947808), (160, 1582594), (208, 1217380), (260, 973904), (320, 791297), (416, 608690), (520, 486952), (832, 304345), (1040, 243476), (2080, 121738), (4160, 60869)]