673396880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20887}}^1$

素因数の和:20944

約数の個数: 80

約数和(自身を含む): 1740555264

約数和(自身を除く): 1067158384

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 16120, 20887, 32240, 41774, 83548, 104435, 167096, 208870, 271531, 334192, 417740, 543062, 647497, 835480, 1086124, 1294994, 1357655, 1670960, 2172248, 2589988, 2715310, 3237485, 4344496, 5179976, 5430620, 6474970, 8417461, 10359952, 10861240, 12949940, 16834922, 21722480, 25899880, 33669844, 42087305, 51799760, 67339688, 84174610, 134679376, 168349220, 336698440, 673396880]

約数ペア:

[(1, 673396880), (2, 336698440), (4, 168349220), (5, 134679376), (8, 84174610), (10, 67339688), (13, 51799760), (16, 42087305), (20, 33669844), (26, 25899880), (31, 21722480), (40, 16834922), (52, 12949940), (62, 10861240), (65, 10359952), (80, 8417461), (104, 6474970), (124, 5430620), (130, 5179976), (155, 4344496), (208, 3237485), (248, 2715310), (260, 2589988), (310, 2172248), (403, 1670960), (496, 1357655), (520, 1294994), (620, 1086124), (806, 835480), (1040, 647497), (1240, 543062), (1612, 417740), (2015, 334192), (2480, 271531), (3224, 208870), (4030, 167096), (6448, 104435), (8060, 83548), (16120, 41774), (20887, 32240)]