855137120

素因数分解:

$2^5\times 5^1\times {\mathrm{163}}^1\times {\mathrm{32789}}^1$

素因数の和:32967

約数の個数: 48

約数和(自身を含む): 2032717680

約数和(自身を除く): 1177580560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 5216, 6520, 13040, 26080, 32789, 65578, 131156, 163945, 262312, 327890, 524624, 655780, 1049248, 1311560, 2623120, 5246240, 5344607, 10689214, 21378428, 26723035, 42756856, 53446070, 85513712, 106892140, 171027424, 213784280, 427568560, 855137120]

約数ペア:

[(1, 855137120), (2, 427568560), (4, 213784280), (5, 171027424), (8, 106892140), (10, 85513712), (16, 53446070), (20, 42756856), (32, 26723035), (40, 21378428), (80, 10689214), (160, 5344607), (163, 5246240), (326, 2623120), (652, 1311560), (815, 1049248), (1304, 655780), (1630, 524624), (2608, 327890), (3260, 262312), (5216, 163945), (6520, 131156), (13040, 65578), (26080, 32789)]