26581000

素因数分解:

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

素因数の和:1439

約数の個数: 64

約数和(自身を含む): 65520000

約数和(自身を除く): 38939000

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 380, 475, 500, 760, 950, 1000, 1399, 1900, 2375, 2798, 3800, 4750, 5596, 6995, 9500, 11192, 13990, 19000, 26581, 27980, 34975, 53162, 55960, 69950, 106324, 132905, 139900, 174875, 212648, 265810, 279800, 349750, 531620, 664525, 699500, 1063240, 1329050, 1399000, 2658100, 3322625, 5316200, 6645250, 13290500, 26581000]

約数ペア:

[(1, 26581000), (2, 13290500), (4, 6645250), (5, 5316200), (8, 3322625), (10, 2658100), (19, 1399000), (20, 1329050), (25, 1063240), (38, 699500), (40, 664525), (50, 531620), (76, 349750), (95, 279800), (100, 265810), (125, 212648), (152, 174875), (190, 139900), (200, 132905), (250, 106324), (380, 69950), (475, 55960), (500, 53162), (760, 34975), (950, 27980), (1000, 26581), (1399, 19000), (1900, 13990), (2375, 11192), (2798, 9500), (3800, 6995), (4750, 5596)]