28855450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{431}}^1$

素因数の和:559

約数の個数: 48

約数和(自身を含む): 58496256

約数和(自身を除く): 29640806

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 103, 130, 206, 325, 431, 515, 650, 862, 1030, 1339, 2155, 2575, 2678, 4310, 5150, 5603, 6695, 10775, 11206, 13390, 21550, 28015, 33475, 44393, 56030, 66950, 88786, 140075, 221965, 280150, 443930, 577109, 1109825, 1154218, 2219650, 2885545, 5771090, 14427725, 28855450]

約数ペア:

[(1, 28855450), (2, 14427725), (5, 5771090), (10, 2885545), (13, 2219650), (25, 1154218), (26, 1109825), (50, 577109), (65, 443930), (103, 280150), (130, 221965), (206, 140075), (325, 88786), (431, 66950), (515, 56030), (650, 44393), (862, 33475), (1030, 28015), (1339, 21550), (2155, 13390), (2575, 11206), (2678, 10775), (4310, 6695), (5150, 5603)]