12493880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{44621}}^1$

素因数の和:44639

約数の個数: 32

約数和(自身を含む): 32127840

約数和(自身を除く): 19633960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 44621, 89242, 178484, 223105, 312347, 356968, 446210, 624694, 892420, 1249388, 1561735, 1784840, 2498776, 3123470, 6246940, 12493880]

約数ペア:

[(1, 12493880), (2, 6246940), (4, 3123470), (5, 2498776), (7, 1784840), (8, 1561735), (10, 1249388), (14, 892420), (20, 624694), (28, 446210), (35, 356968), (40, 312347), (56, 223105), (70, 178484), (140, 89242), (280, 44621)]