13213000

素因数分解:

$2^3\times 5^3\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:275

約数の個数: 64

約数和(自身を含む): 31515120

約数和(自身を除く): 18302120

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 73, 100, 125, 146, 181, 200, 250, 292, 362, 365, 500, 584, 724, 730, 905, 1000, 1448, 1460, 1810, 1825, 2920, 3620, 3650, 4525, 7240, 7300, 9050, 9125, 13213, 14600, 18100, 18250, 22625, 26426, 36200, 36500, 45250, 52852, 66065, 73000, 90500, 105704, 132130, 181000, 264260, 330325, 528520, 660650, 1321300, 1651625, 2642600, 3303250, 6606500, 13213000]

約数ペア:

[(1, 13213000), (2, 6606500), (4, 3303250), (5, 2642600), (8, 1651625), (10, 1321300), (20, 660650), (25, 528520), (40, 330325), (50, 264260), (73, 181000), (100, 132130), (125, 105704), (146, 90500), (181, 73000), (200, 66065), (250, 52852), (292, 45250), (362, 36500), (365, 36200), (500, 26426), (584, 22625), (724, 18250), (730, 18100), (905, 14600), (1000, 13213), (1448, 9125), (1460, 9050), (1810, 7300), (1825, 7240), (2920, 4525), (3620, 3650)]