83212280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1549}}^1$

素因数の和:1656

約数の個数: 64

約数和(自身を含む): 200880000

約数和(自身を除く): 117667720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 79, 85, 136, 158, 170, 316, 340, 395, 632, 680, 790, 1343, 1549, 1580, 2686, 3098, 3160, 5372, 6196, 6715, 7745, 10744, 12392, 13430, 15490, 26333, 26860, 30980, 52666, 53720, 61960, 105332, 122371, 131665, 210664, 244742, 263330, 489484, 526660, 611855, 978968, 1053320, 1223710, 2080307, 2447420, 4160614, 4894840, 8321228, 10401535, 16642456, 20803070, 41606140, 83212280]

約数ペア:

[(1, 83212280), (2, 41606140), (4, 20803070), (5, 16642456), (8, 10401535), (10, 8321228), (17, 4894840), (20, 4160614), (34, 2447420), (40, 2080307), (68, 1223710), (79, 1053320), (85, 978968), (136, 611855), (158, 526660), (170, 489484), (316, 263330), (340, 244742), (395, 210664), (632, 131665), (680, 122371), (790, 105332), (1343, 61960), (1549, 53720), (1580, 52666), (2686, 30980), (3098, 26860), (3160, 26333), (5372, 15490), (6196, 13430), (6715, 12392), (7745, 10744)]