42472820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:225

約数の個数: 96

約数和(自身を含む): 102453120

約数和(自身を除く): 59980300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 43, 52, 58, 65, 86, 116, 130, 131, 145, 172, 215, 260, 262, 290, 377, 430, 524, 559, 580, 655, 754, 860, 1118, 1247, 1310, 1508, 1703, 1885, 2236, 2494, 2620, 2795, 3406, 3770, 3799, 4988, 5590, 5633, 6235, 6812, 7540, 7598, 8515, 11180, 11266, 12470, 15196, 16211, 17030, 18995, 22532, 24940, 28165, 32422, 34060, 37990, 49387, 56330, 64844, 73229, 75980, 81055, 98774, 112660, 146458, 162110, 163357, 197548, 246935, 292916, 324220, 326714, 366145, 493870, 653428, 732290, 816785, 987740, 1464580, 1633570, 2123641, 3267140, 4247282, 8494564, 10618205, 21236410, 42472820]

約数ペア:

[(1, 42472820), (2, 21236410), (4, 10618205), (5, 8494564), (10, 4247282), (13, 3267140), (20, 2123641), (26, 1633570), (29, 1464580), (43, 987740), (52, 816785), (58, 732290), (65, 653428), (86, 493870), (116, 366145), (130, 326714), (131, 324220), (145, 292916), (172, 246935), (215, 197548), (260, 163357), (262, 162110), (290, 146458), (377, 112660), (430, 98774), (524, 81055), (559, 75980), (580, 73229), (655, 64844), (754, 56330), (860, 49387), (1118, 37990), (1247, 34060), (1310, 32422), (1508, 28165), (1703, 24940), (1885, 22532), (2236, 18995), (2494, 17030), (2620, 16211), (2795, 15196), (3406, 12470), (3770, 11266), (3799, 11180), (4988, 8515), (5590, 7598), (5633, 7540), (6235, 6812)]