8521250

素因数分解:

$2^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{401}}^1$

素因数の和:440

約数の個数: 40

約数和(自身を含む): 16953948

約数和(自身を除く): 8432698

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 401, 425, 625, 802, 850, 1250, 2005, 2125, 4010, 4250, 6817, 10025, 10625, 13634, 20050, 21250, 34085, 50125, 68170, 100250, 170425, 250625, 340850, 501250, 852125, 1704250, 4260625, 8521250]

約数ペア:

[(1, 8521250), (2, 4260625), (5, 1704250), (10, 852125), (17, 501250), (25, 340850), (34, 250625), (50, 170425), (85, 100250), (125, 68170), (170, 50125), (250, 34085), (401, 21250), (425, 20050), (625, 13634), (802, 10625), (850, 10025), (1250, 6817), (2005, 4250), (2125, 4010)]