28930480

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{4357}}^1$

素因数の和:4453

約数の個数: 40

約数和(自身を含む): 68089392

約数和(自身を除く): 39158912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 4357, 6640, 8714, 17428, 21785, 34856, 43570, 69712, 87140, 174280, 348560, 361631, 723262, 1446524, 1808155, 2893048, 3616310, 5786096, 7232620, 14465240, 28930480]

約数ペア:

[(1, 28930480), (2, 14465240), (4, 7232620), (5, 5786096), (8, 3616310), (10, 2893048), (16, 1808155), (20, 1446524), (40, 723262), (80, 361631), (83, 348560), (166, 174280), (332, 87140), (415, 69712), (664, 43570), (830, 34856), (1328, 21785), (1660, 17428), (3320, 8714), (4357, 6640)]