40090720

素因数分解:

$2^5\times 5^1\times {\mathrm{331}}^1\times {\mathrm{757}}^1$

素因数の和:1103

約数の個数: 48

約数和(自身を含む): 95125968

約数和(自身を除く): 55035248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 331, 662, 757, 1324, 1514, 1655, 2648, 3028, 3310, 3785, 5296, 6056, 6620, 7570, 10592, 12112, 13240, 15140, 24224, 26480, 30280, 52960, 60560, 121120, 250567, 501134, 1002268, 1252835, 2004536, 2505670, 4009072, 5011340, 8018144, 10022680, 20045360, 40090720]

約数ペア:

[(1, 40090720), (2, 20045360), (4, 10022680), (5, 8018144), (8, 5011340), (10, 4009072), (16, 2505670), (20, 2004536), (32, 1252835), (40, 1002268), (80, 501134), (160, 250567), (331, 121120), (662, 60560), (757, 52960), (1324, 30280), (1514, 26480), (1655, 24224), (2648, 15140), (3028, 13240), (3310, 12112), (3785, 10592), (5296, 7570), (6056, 6620)]