201321250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^2\times {\mathrm{953}}^1$

素因数の和:1001

約数の個数: 60

約数和(自身を含む): 409045626

約数和(自身を除く): 207724376

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 169, 250, 325, 338, 625, 650, 845, 953, 1250, 1625, 1690, 1906, 3250, 4225, 4765, 8125, 8450, 9530, 12389, 16250, 21125, 23825, 24778, 42250, 47650, 61945, 105625, 119125, 123890, 161057, 211250, 238250, 309725, 322114, 595625, 619450, 805285, 1191250, 1548625, 1610570, 3097250, 4026425, 7743125, 8052850, 15486250, 20132125, 40264250, 100660625, 201321250]

約数ペア:

[(1, 201321250), (2, 100660625), (5, 40264250), (10, 20132125), (13, 15486250), (25, 8052850), (26, 7743125), (50, 4026425), (65, 3097250), (125, 1610570), (130, 1548625), (169, 1191250), (250, 805285), (325, 619450), (338, 595625), (625, 322114), (650, 309725), (845, 238250), (953, 211250), (1250, 161057), (1625, 123890), (1690, 119125), (1906, 105625), (3250, 61945), (4225, 47650), (4765, 42250), (8125, 24778), (8450, 23825), (9530, 21125), (12389, 16250)]