16412500

素因数分解:

$2^2\times 5^5\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:143

約数の個数: 72

約数和(自身を含む): 39044376

約数和(自身を除く): 22631876

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 101, 125, 130, 202, 250, 260, 325, 404, 500, 505, 625, 650, 1010, 1250, 1300, 1313, 1625, 2020, 2500, 2525, 2626, 3125, 3250, 5050, 5252, 6250, 6500, 6565, 8125, 10100, 12500, 12625, 13130, 16250, 25250, 26260, 32500, 32825, 40625, 50500, 63125, 65650, 81250, 126250, 131300, 162500, 164125, 252500, 315625, 328250, 631250, 656500, 820625, 1262500, 1641250, 3282500, 4103125, 8206250, 16412500]

約数ペア:

[(1, 16412500), (2, 8206250), (4, 4103125), (5, 3282500), (10, 1641250), (13, 1262500), (20, 820625), (25, 656500), (26, 631250), (50, 328250), (52, 315625), (65, 252500), (100, 164125), (101, 162500), (125, 131300), (130, 126250), (202, 81250), (250, 65650), (260, 63125), (325, 50500), (404, 40625), (500, 32825), (505, 32500), (625, 26260), (650, 25250), (1010, 16250), (1250, 13130), (1300, 12625), (1313, 12500), (1625, 10100), (2020, 8125), (2500, 6565), (2525, 6500), (2626, 6250), (3125, 5252), (3250, 5050)]