8456500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1301}}^1$

素因数の和:1333

約数の個数: 48

約数和(自身を含む): 19904976

約数和(自身を除く): 11448476

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1301, 1625, 2602, 3250, 5204, 6500, 6505, 13010, 16913, 26020, 32525, 33826, 65050, 67652, 84565, 130100, 162625, 169130, 325250, 338260, 422825, 650500, 845650, 1691300, 2114125, 4228250, 8456500]

約数ペア:

[(1, 8456500), (2, 4228250), (4, 2114125), (5, 1691300), (10, 845650), (13, 650500), (20, 422825), (25, 338260), (26, 325250), (50, 169130), (52, 162625), (65, 130100), (100, 84565), (125, 67652), (130, 65050), (250, 33826), (260, 32525), (325, 26020), (500, 16913), (650, 13010), (1300, 6505), (1301, 6500), (1625, 5204), (2602, 3250)]