7788767804560

素因数分解:

$2^4\times 5^1\times {\mathrm{397}}^1\times {\mathrm{245238281}}^1$

素因数の和:245238691

約数の個数: 40

約数和(自身を含む): 18154499539896

約数和(自身を除く): 10365731735336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 397, 794, 1588, 1985, 3176, 3970, 6352, 7940, 15880, 31760, 245238281, 490476562, 980953124, 1226191405, 1961906248, 2452382810, 3923812496, 4904765620, 9809531240, 19619062480, 97359597557, 194719195114, 389438390228, 486797987785, 778876780456, 973595975570, 1557753560912, 1947191951140, 3894383902280, 7788767804560]

約数ペア:

[(1, 7788767804560), (2, 3894383902280), (4, 1947191951140), (5, 1557753560912), (8, 973595975570), (10, 778876780456), (16, 486797987785), (20, 389438390228), (40, 194719195114), (80, 97359597557), (397, 19619062480), (794, 9809531240), (1588, 4904765620), (1985, 3923812496), (3176, 2452382810), (3970, 1961906248), (6352, 1226191405), (7940, 980953124), (15880, 490476562), (31760, 245238281)]