156623440

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{12011}}^1$

素因数の和:12187

約数の個数: 40

約数和(自身を含む): 366414048

約数和(自身を除く): 209790608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 6520, 12011, 13040, 24022, 48044, 60055, 96088, 120110, 192176, 240220, 480440, 960880, 1957793, 3915586, 7831172, 9788965, 15662344, 19577930, 31324688, 39155860, 78311720, 156623440]

約数ペア:

[(1, 156623440), (2, 78311720), (4, 39155860), (5, 31324688), (8, 19577930), (10, 15662344), (16, 9788965), (20, 7831172), (40, 3915586), (80, 1957793), (163, 960880), (326, 480440), (652, 240220), (815, 192176), (1304, 120110), (1630, 96088), (2608, 60055), (3260, 48044), (6520, 24022), (12011, 13040)]