2667520

素因数分解:

$2^{10}\times 5^1\times {\mathrm{521}}^1$

素因数の和:546

約数の個数: 44

約数和(自身を含む): 6411204

約数和(自身を除く): 3743684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 521, 640, 1024, 1042, 1280, 2084, 2560, 2605, 4168, 5120, 5210, 8336, 10420, 16672, 20840, 33344, 41680, 66688, 83360, 133376, 166720, 266752, 333440, 533504, 666880, 1333760, 2667520]

約数ペア:

[(1, 2667520), (2, 1333760), (4, 666880), (5, 533504), (8, 333440), (10, 266752), (16, 166720), (20, 133376), (32, 83360), (40, 66688), (64, 41680), (80, 33344), (128, 20840), (160, 16672), (256, 10420), (320, 8336), (512, 5210), (521, 5120), (640, 4168), (1024, 2605), (1042, 2560), (1280, 2084)]