61037500

素因数分解:

$2^2\times 5^5\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 141084720

約数和(自身を除く): 80047220

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 257, 380, 475, 500, 514, 625, 950, 1028, 1250, 1285, 1900, 2375, 2500, 2570, 3125, 4750, 4883, 5140, 6250, 6425, 9500, 9766, 11875, 12500, 12850, 19532, 23750, 24415, 25700, 32125, 47500, 48830, 59375, 64250, 97660, 118750, 122075, 128500, 160625, 237500, 244150, 321250, 488300, 610375, 642500, 803125, 1220750, 1606250, 2441500, 3051875, 3212500, 6103750, 12207500, 15259375, 30518750, 61037500]

約数ペア:

[(1, 61037500), (2, 30518750), (4, 15259375), (5, 12207500), (10, 6103750), (19, 3212500), (20, 3051875), (25, 2441500), (38, 1606250), (50, 1220750), (76, 803125), (95, 642500), (100, 610375), (125, 488300), (190, 321250), (250, 244150), (257, 237500), (380, 160625), (475, 128500), (500, 122075), (514, 118750), (625, 97660), (950, 64250), (1028, 59375), (1250, 48830), (1285, 47500), (1900, 32125), (2375, 25700), (2500, 24415), (2570, 23750), (3125, 19532), (4750, 12850), (4883, 12500), (5140, 11875), (6250, 9766), (6425, 9500)]