13320440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{421}}^1$

素因数の和:552

約数の個数: 64

約数和(自身を含む): 34637760

約数和(自身を除く): 21317320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 113, 140, 226, 280, 421, 452, 565, 791, 842, 904, 1130, 1582, 1684, 2105, 2260, 2947, 3164, 3368, 3955, 4210, 4520, 5894, 6328, 7910, 8420, 11788, 14735, 15820, 16840, 23576, 29470, 31640, 47573, 58940, 95146, 117880, 190292, 237865, 333011, 380584, 475730, 666022, 951460, 1332044, 1665055, 1902920, 2664088, 3330110, 6660220, 13320440]

約数ペア:

[(1, 13320440), (2, 6660220), (4, 3330110), (5, 2664088), (7, 1902920), (8, 1665055), (10, 1332044), (14, 951460), (20, 666022), (28, 475730), (35, 380584), (40, 333011), (56, 237865), (70, 190292), (113, 117880), (140, 95146), (226, 58940), (280, 47573), (421, 31640), (452, 29470), (565, 23576), (791, 16840), (842, 15820), (904, 14735), (1130, 11788), (1582, 8420), (1684, 7910), (2105, 6328), (2260, 5894), (2947, 4520), (3164, 4210), (3368, 3955)]