84565000

素因数分解:

$2^3\times 5^4\times {\mathrm{13}}^1\times {\mathrm{1301}}^1$

素因数の和:1340

約数の個数: 80

約数和(自身を含む): 213541020

約数和(自身を除く): 128976020

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 625, 650, 1000, 1250, 1300, 1301, 1625, 2500, 2600, 2602, 3250, 5000, 5204, 6500, 6505, 8125, 10408, 13000, 13010, 16250, 16913, 26020, 32500, 32525, 33826, 52040, 65000, 65050, 67652, 84565, 130100, 135304, 162625, 169130, 260200, 325250, 338260, 422825, 650500, 676520, 813125, 845650, 1301000, 1626250, 1691300, 2114125, 3252500, 3382600, 4228250, 6505000, 8456500, 10570625, 16913000, 21141250, 42282500, 84565000]

約数ペア:

[(1, 84565000), (2, 42282500), (4, 21141250), (5, 16913000), (8, 10570625), (10, 8456500), (13, 6505000), (20, 4228250), (25, 3382600), (26, 3252500), (40, 2114125), (50, 1691300), (52, 1626250), (65, 1301000), (100, 845650), (104, 813125), (125, 676520), (130, 650500), (200, 422825), (250, 338260), (260, 325250), (325, 260200), (500, 169130), (520, 162625), (625, 135304), (650, 130100), (1000, 84565), (1250, 67652), (1300, 65050), (1301, 65000), (1625, 52040), (2500, 33826), (2600, 32525), (2602, 32500), (3250, 26020), (5000, 16913), (5204, 16250), (6500, 13010), (6505, 13000), (8125, 10408)]