7658905880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{39341}}^1$

素因数の和:39540

約数の個数: 64

約数和(自身を含む): 17902183680

約数和(自身を除く): 10243277800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 157, 248, 310, 314, 620, 628, 785, 1240, 1256, 1570, 3140, 4867, 6280, 9734, 19468, 24335, 38936, 39341, 48670, 78682, 97340, 157364, 194680, 196705, 314728, 393410, 786820, 1219571, 1573640, 2439142, 4878284, 6097855, 6176537, 9756568, 12195710, 12353074, 24391420, 24706148, 30882685, 48782840, 49412296, 61765370, 123530740, 191472647, 247061480, 382945294, 765890588, 957363235, 1531781176, 1914726470, 3829452940, 7658905880]

約数ペア:

[(1, 7658905880), (2, 3829452940), (4, 1914726470), (5, 1531781176), (8, 957363235), (10, 765890588), (20, 382945294), (31, 247061480), (40, 191472647), (62, 123530740), (124, 61765370), (155, 49412296), (157, 48782840), (248, 30882685), (310, 24706148), (314, 24391420), (620, 12353074), (628, 12195710), (785, 9756568), (1240, 6176537), (1256, 6097855), (1570, 4878284), (3140, 2439142), (4867, 1573640), (6280, 1219571), (9734, 786820), (19468, 393410), (24335, 314728), (38936, 196705), (39341, 194680), (48670, 157364), (78682, 97340)]