66801800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{25693}}^1$

素因数の和:25722

約数の個数: 48

約数和(自身を含む): 167267940

約数和(自身を除く): 100466140

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 25693, 51386, 102772, 128465, 205544, 256930, 334009, 513860, 642325, 668018, 1027720, 1284650, 1336036, 1670045, 2569300, 2672072, 3340090, 5138600, 6680180, 8350225, 13360360, 16700450, 33400900, 66801800]

約数ペア:

[(1, 66801800), (2, 33400900), (4, 16700450), (5, 13360360), (8, 8350225), (10, 6680180), (13, 5138600), (20, 3340090), (25, 2672072), (26, 2569300), (40, 1670045), (50, 1336036), (52, 1284650), (65, 1027720), (100, 668018), (104, 642325), (130, 513860), (200, 334009), (260, 256930), (325, 205544), (520, 128465), (650, 102772), (1300, 51386), (2600, 25693)]