71478640

素因数分解:

$2^4\times 5^1\times {\mathrm{727}}^1\times {\mathrm{1229}}^1$

素因数の和:1969

約数の個数: 40

約数和(自身を含む): 166551840

約数和(自身を除く): 95073200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 727, 1229, 1454, 2458, 2908, 3635, 4916, 5816, 6145, 7270, 9832, 11632, 12290, 14540, 19664, 24580, 29080, 49160, 58160, 98320, 893483, 1786966, 3573932, 4467415, 7147864, 8934830, 14295728, 17869660, 35739320, 71478640]

約数ペア:

[(1, 71478640), (2, 35739320), (4, 17869660), (5, 14295728), (8, 8934830), (10, 7147864), (16, 4467415), (20, 3573932), (40, 1786966), (80, 893483), (727, 98320), (1229, 58160), (1454, 49160), (2458, 29080), (2908, 24580), (3635, 19664), (4916, 14540), (5816, 12290), (6145, 11632), (7270, 9832)]