32420020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:193

約数の個数: 72

約数和(自身を含む): 74269440

約数和(自身を除く): 41849420

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 71, 79, 85, 142, 158, 170, 284, 289, 316, 340, 355, 395, 578, 710, 790, 1156, 1207, 1343, 1420, 1445, 1580, 2414, 2686, 2890, 4828, 5372, 5609, 5780, 6035, 6715, 11218, 12070, 13430, 20519, 22436, 22831, 24140, 26860, 28045, 41038, 45662, 56090, 82076, 91324, 95353, 102595, 112180, 114155, 190706, 205190, 228310, 381412, 410380, 456620, 476765, 953530, 1621001, 1907060, 3242002, 6484004, 8105005, 16210010, 32420020]

約数ペア:

[(1, 32420020), (2, 16210010), (4, 8105005), (5, 6484004), (10, 3242002), (17, 1907060), (20, 1621001), (34, 953530), (68, 476765), (71, 456620), (79, 410380), (85, 381412), (142, 228310), (158, 205190), (170, 190706), (284, 114155), (289, 112180), (316, 102595), (340, 95353), (355, 91324), (395, 82076), (578, 56090), (710, 45662), (790, 41038), (1156, 28045), (1207, 26860), (1343, 24140), (1420, 22831), (1445, 22436), (1580, 20519), (2414, 13430), (2686, 12070), (2890, 11218), (4828, 6715), (5372, 6035), (5609, 5780)]