1396240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{563}}^1$

素因数の和:607

約数の個数: 40

約数和(自身を含む): 3356928

約数和(自身を除く): 1960688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 563, 620, 1126, 1240, 2252, 2480, 2815, 4504, 5630, 9008, 11260, 17453, 22520, 34906, 45040, 69812, 87265, 139624, 174530, 279248, 349060, 698120, 1396240]

約数ペア:

[(1, 1396240), (2, 698120), (4, 349060), (5, 279248), (8, 174530), (10, 139624), (16, 87265), (20, 69812), (31, 45040), (40, 34906), (62, 22520), (80, 17453), (124, 11260), (155, 9008), (248, 5630), (310, 4504), (496, 2815), (563, 2480), (620, 2252), (1126, 1240)]