61391000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{5581}}^1$

素因数の和:5613

約数の個数: 64

約数和(自身を含む): 156742560

約数和(自身を除く): 95351560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 200, 220, 250, 275, 440, 500, 550, 1000, 1100, 1375, 2200, 2750, 5500, 5581, 11000, 11162, 22324, 27905, 44648, 55810, 61391, 111620, 122782, 139525, 223240, 245564, 279050, 306955, 491128, 558100, 613910, 697625, 1116200, 1227820, 1395250, 1534775, 2455640, 2790500, 3069550, 5581000, 6139100, 7673875, 12278200, 15347750, 30695500, 61391000]

約数ペア:

[(1, 61391000), (2, 30695500), (4, 15347750), (5, 12278200), (8, 7673875), (10, 6139100), (11, 5581000), (20, 3069550), (22, 2790500), (25, 2455640), (40, 1534775), (44, 1395250), (50, 1227820), (55, 1116200), (88, 697625), (100, 613910), (110, 558100), (125, 491128), (200, 306955), (220, 279050), (250, 245564), (275, 223240), (440, 139525), (500, 122782), (550, 111620), (1000, 61391), (1100, 55810), (1375, 44648), (2200, 27905), (2750, 22324), (5500, 11162), (5581, 11000)]