5213440

素因数分解:

$2^8\times 5^1\times {\mathrm{4073}}^1$

素因数の和:4094

約数の個数: 36

約数和(自身を含む): 12490884

約数和(自身を除く): 7277444

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 4073, 8146, 16292, 20365, 32584, 40730, 65168, 81460, 130336, 162920, 260672, 325840, 521344, 651680, 1042688, 1303360, 2606720, 5213440]

約数ペア:

[(1, 5213440), (2, 2606720), (4, 1303360), (5, 1042688), (8, 651680), (10, 521344), (16, 325840), (20, 260672), (32, 162920), (40, 130336), (64, 81460), (80, 65168), (128, 40730), (160, 32584), (256, 20365), (320, 16292), (640, 8146), (1280, 4073)]