28910050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{563}}^1$

素因数の和:667

約数の個数: 48

約数和(自身を含む): 58746240

約数和(自身を除く): 29836190

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 79, 130, 158, 325, 395, 563, 650, 790, 1027, 1126, 1975, 2054, 2815, 3950, 5135, 5630, 7319, 10270, 14075, 14638, 25675, 28150, 36595, 44477, 51350, 73190, 88954, 182975, 222385, 365950, 444770, 578201, 1111925, 1156402, 2223850, 2891005, 5782010, 14455025, 28910050]

約数ペア:

[(1, 28910050), (2, 14455025), (5, 5782010), (10, 2891005), (13, 2223850), (25, 1156402), (26, 1111925), (50, 578201), (65, 444770), (79, 365950), (130, 222385), (158, 182975), (325, 88954), (395, 73190), (563, 51350), (650, 44477), (790, 36595), (1027, 28150), (1126, 25675), (1975, 14638), (2054, 14075), (2815, 10270), (3950, 7319), (5135, 5630)]