401667080

素因数分解:

$2^3\times 5^1\times {\mathrm{829}}^1\times {\mathrm{12113}}^1$

素因数の和:12953

約数の個数: 32

約数和(自身を含む): 904915800

約数和(自身を除く): 503248720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 829, 1658, 3316, 4145, 6632, 8290, 12113, 16580, 24226, 33160, 48452, 60565, 96904, 121130, 242260, 484520, 10041677, 20083354, 40166708, 50208385, 80333416, 100416770, 200833540, 401667080]

約数ペア:

[(1, 401667080), (2, 200833540), (4, 100416770), (5, 80333416), (8, 50208385), (10, 40166708), (20, 20083354), (40, 10041677), (829, 484520), (1658, 242260), (3316, 121130), (4145, 96904), (6632, 60565), (8290, 48452), (12113, 33160), (16580, 24226)]