203984960

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20563}}^1$

素因数の和:20611

約数の個数: 56

約数和(自身を含む): 501432576

約数和(自身を除く): 297447616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 20563, 41126, 82252, 102815, 164504, 205630, 329008, 411260, 637453, 658016, 822520, 1274906, 1316032, 1645040, 2549812, 3187265, 3290080, 5099624, 6374530, 6580160, 10199248, 12749060, 20398496, 25498120, 40796992, 50996240, 101992480, 203984960]

約数ペア:

[(1, 203984960), (2, 101992480), (4, 50996240), (5, 40796992), (8, 25498120), (10, 20398496), (16, 12749060), (20, 10199248), (31, 6580160), (32, 6374530), (40, 5099624), (62, 3290080), (64, 3187265), (80, 2549812), (124, 1645040), (155, 1316032), (160, 1274906), (248, 822520), (310, 658016), (320, 637453), (496, 411260), (620, 329008), (992, 205630), (1240, 164504), (1984, 102815), (2480, 82252), (4960, 41126), (9920, 20563)]