13290500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{1399}}^1$

素因数の和:1437

約数の個数: 48

約数和(自身を含む): 30576000

約数和(自身を除く): 17285500

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 950, 1399, 1900, 2375, 2798, 4750, 5596, 6995, 9500, 13990, 26581, 27980, 34975, 53162, 69950, 106324, 132905, 139900, 174875, 265810, 349750, 531620, 664525, 699500, 1329050, 2658100, 3322625, 6645250, 13290500]

約数ペア:

[(1, 13290500), (2, 6645250), (4, 3322625), (5, 2658100), (10, 1329050), (19, 699500), (20, 664525), (25, 531620), (38, 349750), (50, 265810), (76, 174875), (95, 139900), (100, 132905), (125, 106324), (190, 69950), (250, 53162), (380, 34975), (475, 27980), (500, 26581), (950, 13990), (1399, 9500), (1900, 6995), (2375, 5596), (2798, 4750)]