48687500

素因数分解:

$2^2\times 5^6\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:94

約数の個数: 84

約数和(自身を含む): 114842280

約数和(自身を除く): 66154780

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 41, 50, 76, 82, 95, 100, 125, 164, 190, 205, 250, 380, 410, 475, 500, 625, 779, 820, 950, 1025, 1250, 1558, 1900, 2050, 2375, 2500, 3116, 3125, 3895, 4100, 4750, 5125, 6250, 7790, 9500, 10250, 11875, 12500, 15580, 15625, 19475, 20500, 23750, 25625, 31250, 38950, 47500, 51250, 59375, 62500, 77900, 97375, 102500, 118750, 128125, 194750, 237500, 256250, 296875, 389500, 486875, 512500, 593750, 640625, 973750, 1187500, 1281250, 1947500, 2434375, 2562500, 4868750, 9737500, 12171875, 24343750, 48687500]

約数ペア:

[(1, 48687500), (2, 24343750), (4, 12171875), (5, 9737500), (10, 4868750), (19, 2562500), (20, 2434375), (25, 1947500), (38, 1281250), (41, 1187500), (50, 973750), (76, 640625), (82, 593750), (95, 512500), (100, 486875), (125, 389500), (164, 296875), (190, 256250), (205, 237500), (250, 194750), (380, 128125), (410, 118750), (475, 102500), (500, 97375), (625, 77900), (779, 62500), (820, 59375), (950, 51250), (1025, 47500), (1250, 38950), (1558, 31250), (1900, 25625), (2050, 23750), (2375, 20500), (2500, 19475), (3116, 15625), (3125, 15580), (3895, 12500), (4100, 11875), (4750, 10250), (5125, 9500), (6250, 7790)]