20126296480

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{16063}}^1$

素因数の和:16310

約数の個数: 96

約数和(自身を含む): 48966156288

約数和(自身を除く): 28839859808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 191, 205, 328, 382, 410, 656, 764, 820, 955, 1312, 1528, 1640, 1910, 3056, 3280, 3820, 6112, 6560, 7640, 7831, 15280, 15662, 16063, 30560, 31324, 32126, 39155, 62648, 64252, 78310, 80315, 125296, 128504, 156620, 160630, 250592, 257008, 313240, 321260, 514016, 626480, 642520, 658583, 1252960, 1285040, 1317166, 2570080, 2634332, 3068033, 3292915, 5268664, 6136066, 6585830, 10537328, 12272132, 13171660, 15340165, 21074656, 24544264, 26343320, 30680330, 49088528, 52686640, 61360660, 98177056, 105373280, 122721320, 125789353, 245442640, 251578706, 490885280, 503157412, 628946765, 1006314824, 1257893530, 2012629648, 2515787060, 4025259296, 5031574120, 10063148240, 20126296480]

約数ペア:

[(1, 20126296480), (2, 10063148240), (4, 5031574120), (5, 4025259296), (8, 2515787060), (10, 2012629648), (16, 1257893530), (20, 1006314824), (32, 628946765), (40, 503157412), (41, 490885280), (80, 251578706), (82, 245442640), (160, 125789353), (164, 122721320), (191, 105373280), (205, 98177056), (328, 61360660), (382, 52686640), (410, 49088528), (656, 30680330), (764, 26343320), (820, 24544264), (955, 21074656), (1312, 15340165), (1528, 13171660), (1640, 12272132), (1910, 10537328), (3056, 6585830), (3280, 6136066), (3820, 5268664), (6112, 3292915), (6560, 3068033), (7640, 2634332), (7831, 2570080), (15280, 1317166), (15662, 1285040), (16063, 1252960), (30560, 658583), (31324, 642520), (32126, 626480), (39155, 514016), (62648, 321260), (64252, 313240), (78310, 257008), (80315, 250592), (125296, 160630), (128504, 156620)]