1264970240

素因数分解:

$2^9\times 5^1\times {\mathrm{494129}}^1$

素因数の和:494152

約数の個数: 40

約数和(自身を含む): 3032969940

約数和(自身を除く): 1767999700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 494129, 988258, 1976516, 2470645, 3953032, 4941290, 7906064, 9882580, 15812128, 19765160, 31624256, 39530320, 63248512, 79060640, 126497024, 158121280, 252994048, 316242560, 632485120, 1264970240]

約数ペア:

[(1, 1264970240), (2, 632485120), (4, 316242560), (5, 252994048), (8, 158121280), (10, 126497024), (16, 79060640), (20, 63248512), (32, 39530320), (40, 31624256), (64, 19765160), (80, 15812128), (128, 9882580), (160, 7906064), (256, 4941290), (320, 3953032), (512, 2470645), (640, 1976516), (1280, 988258), (2560, 494129)]