13218920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2311}}^1$

素因数の和:2346

約数の個数: 64

約数和(自身を含む): 34957440

約数和(自身を除く): 21738520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2311, 2860, 4622, 5720, 9244, 11555, 18488, 23110, 25421, 30043, 46220, 50842, 60086, 92440, 101684, 120172, 127105, 150215, 203368, 240344, 254210, 300430, 330473, 508420, 600860, 660946, 1016840, 1201720, 1321892, 1652365, 2643784, 3304730, 6609460, 13218920]

約数ペア:

[(1, 13218920), (2, 6609460), (4, 3304730), (5, 2643784), (8, 1652365), (10, 1321892), (11, 1201720), (13, 1016840), (20, 660946), (22, 600860), (26, 508420), (40, 330473), (44, 300430), (52, 254210), (55, 240344), (65, 203368), (88, 150215), (104, 127105), (110, 120172), (130, 101684), (143, 92440), (220, 60086), (260, 50842), (286, 46220), (440, 30043), (520, 25421), (572, 23110), (715, 18488), (1144, 11555), (1430, 9244), (2311, 5720), (2860, 4622)]