100641280

素因数分解:

$2^9\times 5^1\times {\mathrm{39313}}^1$

素因数の和:39336

約数の個数: 40

約数和(自身を含む): 241309332

約数和(自身を除く): 140668052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 39313, 78626, 157252, 196565, 314504, 393130, 629008, 786260, 1258016, 1572520, 2516032, 3145040, 5032064, 6290080, 10064128, 12580160, 20128256, 25160320, 50320640, 100641280]

約数ペア:

[(1, 100641280), (2, 50320640), (4, 25160320), (5, 20128256), (8, 12580160), (10, 10064128), (16, 6290080), (20, 5032064), (32, 3145040), (40, 2516032), (64, 1572520), (80, 1258016), (128, 786260), (160, 629008), (256, 393130), (320, 314504), (512, 196565), (640, 157252), (1280, 78626), (2560, 39313)]