23128040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{563}}^1$

素因数の和:666

約数の個数: 64

約数和(自身を含む): 56851200

約数和(自身を除く): 33723160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 130, 158, 260, 316, 395, 520, 563, 632, 790, 1027, 1126, 1580, 2054, 2252, 2815, 3160, 4108, 4504, 5135, 5630, 7319, 8216, 10270, 11260, 14638, 20540, 22520, 29276, 36595, 41080, 44477, 58552, 73190, 88954, 146380, 177908, 222385, 292760, 355816, 444770, 578201, 889540, 1156402, 1779080, 2312804, 2891005, 4625608, 5782010, 11564020, 23128040]

約数ペア:

[(1, 23128040), (2, 11564020), (4, 5782010), (5, 4625608), (8, 2891005), (10, 2312804), (13, 1779080), (20, 1156402), (26, 889540), (40, 578201), (52, 444770), (65, 355816), (79, 292760), (104, 222385), (130, 177908), (158, 146380), (260, 88954), (316, 73190), (395, 58552), (520, 44477), (563, 41080), (632, 36595), (790, 29276), (1027, 22520), (1126, 20540), (1580, 14638), (2054, 11260), (2252, 10270), (2815, 8216), (3160, 7319), (4108, 5630), (4504, 5135)]