12653906840

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1259}}^1\times {\mathrm{3539}}^1$

素因数の和:4880

約数の個数: 64

約数和(自身を含む): 28903392000

約数和(自身を除く): 16249485160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1259, 1420, 2518, 2840, 3539, 5036, 6295, 7078, 10072, 12590, 14156, 17695, 25180, 28312, 35390, 50360, 70780, 89389, 141560, 178778, 251269, 357556, 446945, 502538, 715112, 893890, 1005076, 1256345, 1787780, 2010152, 2512690, 3575560, 4455601, 5025380, 8911202, 10050760, 17822404, 22278005, 35644808, 44556010, 89112020, 178224040, 316347671, 632695342, 1265390684, 1581738355, 2530781368, 3163476710, 6326953420, 12653906840]

約数ペア:

[(1, 12653906840), (2, 6326953420), (4, 3163476710), (5, 2530781368), (8, 1581738355), (10, 1265390684), (20, 632695342), (40, 316347671), (71, 178224040), (142, 89112020), (284, 44556010), (355, 35644808), (568, 22278005), (710, 17822404), (1259, 10050760), (1420, 8911202), (2518, 5025380), (2840, 4455601), (3539, 3575560), (5036, 2512690), (6295, 2010152), (7078, 1787780), (10072, 1256345), (12590, 1005076), (14156, 893890), (17695, 715112), (25180, 502538), (28312, 446945), (35390, 357556), (50360, 251269), (70780, 178778), (89389, 141560)]