48812500

素因数分解:

$2^2\times 5^6\times {\mathrm{11}}^1\times {\mathrm{71}}^1$

素因数の和:116

約数の個数: 84

約数和(自身を含む): 118123488

約数和(自身を除く): 69310988

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 71, 100, 110, 125, 142, 220, 250, 275, 284, 355, 500, 550, 625, 710, 781, 1100, 1250, 1375, 1420, 1562, 1775, 2500, 2750, 3124, 3125, 3550, 3905, 5500, 6250, 6875, 7100, 7810, 8875, 12500, 13750, 15620, 15625, 17750, 19525, 27500, 31250, 34375, 35500, 39050, 44375, 62500, 68750, 78100, 88750, 97625, 137500, 171875, 177500, 195250, 221875, 343750, 390500, 443750, 488125, 687500, 887500, 976250, 1109375, 1952500, 2218750, 2440625, 4437500, 4881250, 9762500, 12203125, 24406250, 48812500]

約数ペア:

[(1, 48812500), (2, 24406250), (4, 12203125), (5, 9762500), (10, 4881250), (11, 4437500), (20, 2440625), (22, 2218750), (25, 1952500), (44, 1109375), (50, 976250), (55, 887500), (71, 687500), (100, 488125), (110, 443750), (125, 390500), (142, 343750), (220, 221875), (250, 195250), (275, 177500), (284, 171875), (355, 137500), (500, 97625), (550, 88750), (625, 78100), (710, 68750), (781, 62500), (1100, 44375), (1250, 39050), (1375, 35500), (1420, 34375), (1562, 31250), (1775, 27500), (2500, 19525), (2750, 17750), (3124, 15625), (3125, 15620), (3550, 13750), (3905, 12500), (5500, 8875), (6250, 7810), (6875, 7100)]