210478640

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{16141}}^1$

素因数の和:16317

約数の個数: 40

約数和(自身を含む): 492395568

約数和(自身を除く): 281916928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 6520, 13040, 16141, 32282, 64564, 80705, 129128, 161410, 258256, 322820, 645640, 1291280, 2630983, 5261966, 10523932, 13154915, 21047864, 26309830, 42095728, 52619660, 105239320, 210478640]

約数ペア:

[(1, 210478640), (2, 105239320), (4, 52619660), (5, 42095728), (8, 26309830), (10, 21047864), (16, 13154915), (20, 10523932), (40, 5261966), (80, 2630983), (163, 1291280), (326, 645640), (652, 322820), (815, 258256), (1304, 161410), (1630, 129128), (2608, 80705), (3260, 64564), (6520, 32282), (13040, 16141)]