40887140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9421}}^1$

素因数の和:9468

約数の個数: 48

約数和(自身を含む): 101305344

約数和(自身を除く): 60418204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 9421, 18842, 37684, 47105, 65947, 94210, 131894, 188420, 263788, 292051, 329735, 584102, 659470, 1168204, 1318940, 1460255, 2044357, 2920510, 4088714, 5841020, 8177428, 10221785, 20443570, 40887140]

約数ペア:

[(1, 40887140), (2, 20443570), (4, 10221785), (5, 8177428), (7, 5841020), (10, 4088714), (14, 2920510), (20, 2044357), (28, 1460255), (31, 1318940), (35, 1168204), (62, 659470), (70, 584102), (124, 329735), (140, 292051), (155, 263788), (217, 188420), (310, 131894), (434, 94210), (620, 65947), (868, 47105), (1085, 37684), (2170, 18842), (4340, 9421)]