249367640

素因数分解:

$2^3\times 5^1\times {\mathrm{653}}^1\times {\mathrm{9547}}^1$

素因数の和:10211

約数の個数: 32

約数和(自身を含む): 561995280

約数和(自身を除く): 312627640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 653, 1306, 2612, 3265, 5224, 6530, 9547, 13060, 19094, 26120, 38188, 47735, 76376, 95470, 190940, 381880, 6234191, 12468382, 24936764, 31170955, 49873528, 62341910, 124683820, 249367640]

約数ペア:

[(1, 249367640), (2, 124683820), (4, 62341910), (5, 49873528), (8, 31170955), (10, 24936764), (20, 12468382), (40, 6234191), (653, 381880), (1306, 190940), (2612, 95470), (3265, 76376), (5224, 47735), (6530, 38188), (9547, 26120), (13060, 19094)]