2885432840

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{137927}}^1$

素因数の和:138461

約数の個数: 32

約数和(自身を含む): 6504684480

約数和(自身を除く): 3619251640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 1046, 2092, 2615, 4184, 5230, 10460, 20920, 137927, 275854, 551708, 689635, 1103416, 1379270, 2758540, 5517080, 72135821, 144271642, 288543284, 360679105, 577086568, 721358210, 1442716420, 2885432840]

約数ペア:

[(1, 2885432840), (2, 1442716420), (4, 721358210), (5, 577086568), (8, 360679105), (10, 288543284), (20, 144271642), (40, 72135821), (523, 5517080), (1046, 2758540), (2092, 1379270), (2615, 1103416), (4184, 689635), (5230, 551708), (10460, 275854), (20920, 137927)]