13183240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{239}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 34214400

約数和(自身を除く): 21031160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 239, 280, 394, 478, 788, 956, 985, 1195, 1379, 1576, 1673, 1912, 1970, 2390, 2758, 3346, 3940, 4780, 5516, 6692, 6895, 7880, 8365, 9560, 11032, 13384, 13790, 16730, 27580, 33460, 47083, 55160, 66920, 94166, 188332, 235415, 329581, 376664, 470830, 659162, 941660, 1318324, 1647905, 1883320, 2636648, 3295810, 6591620, 13183240]

約数ペア:

[(1, 13183240), (2, 6591620), (4, 3295810), (5, 2636648), (7, 1883320), (8, 1647905), (10, 1318324), (14, 941660), (20, 659162), (28, 470830), (35, 376664), (40, 329581), (56, 235415), (70, 188332), (140, 94166), (197, 66920), (239, 55160), (280, 47083), (394, 33460), (478, 27580), (788, 16730), (956, 13790), (985, 13384), (1195, 11032), (1379, 9560), (1576, 8365), (1673, 7880), (1912, 6895), (1970, 6692), (2390, 5516), (2758, 4780), (3346, 3940)]