40520320

素因数分解:

$2^7\times 5^1\times {\mathrm{63313}}^1$

素因数の和:63332

約数の個数: 32

約数和(自身を含む): 96870420

約数和(自身を除く): 56350100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 63313, 126626, 253252, 316565, 506504, 633130, 1013008, 1266260, 2026016, 2532520, 4052032, 5065040, 8104064, 10130080, 20260160, 40520320]

約数ペア:

[(1, 40520320), (2, 20260160), (4, 10130080), (5, 8104064), (8, 5065040), (10, 4052032), (16, 2532520), (20, 2026016), (32, 1266260), (40, 1013008), (64, 633130), (80, 506504), (128, 316565), (160, 253252), (320, 126626), (640, 63313)]