64288250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 131459328

約数和(自身を除く): 67171078

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 131, 151, 250, 262, 302, 325, 650, 655, 755, 1310, 1510, 1625, 1703, 1963, 3250, 3275, 3406, 3775, 3926, 6550, 7550, 8515, 9815, 16375, 17030, 18875, 19630, 19781, 32750, 37750, 39562, 42575, 49075, 85150, 98150, 98905, 197810, 212875, 245375, 257153, 425750, 490750, 494525, 514306, 989050, 1285765, 2472625, 2571530, 4945250, 6428825, 12857650, 32144125, 64288250]

約数ペア:

[(1, 64288250), (2, 32144125), (5, 12857650), (10, 6428825), (13, 4945250), (25, 2571530), (26, 2472625), (50, 1285765), (65, 989050), (125, 514306), (130, 494525), (131, 490750), (151, 425750), (250, 257153), (262, 245375), (302, 212875), (325, 197810), (650, 98905), (655, 98150), (755, 85150), (1310, 49075), (1510, 42575), (1625, 39562), (1703, 37750), (1963, 32750), (3250, 19781), (3275, 19630), (3406, 18875), (3775, 17030), (3926, 16375), (6550, 9815), (7550, 8515)]