20164418320

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1873}}^1\times {\mathrm{5851}}^1$

素因数の和:7760

約数の個数: 80

約数和(自身を含む): 48955116672

約数和(自身を除く): 28790698352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 1873, 3746, 5851, 7492, 9365, 11702, 14984, 18730, 23404, 29255, 29968, 37460, 43079, 46808, 58510, 74920, 86158, 93616, 117020, 134573, 149840, 172316, 215395, 234040, 269146, 344632, 430790, 468080, 538292, 672865, 689264, 861580, 1076584, 1345730, 1723160, 2153168, 2691460, 3446320, 5382920, 10765840, 10958923, 21917846, 43835692, 54794615, 87671384, 109589230, 175342768, 219178460, 252055229, 438356920, 504110458, 876713840, 1008220916, 1260276145, 2016441832, 2520552290, 4032883664, 5041104580, 10082209160, 20164418320]

約数ペア:

[(1, 20164418320), (2, 10082209160), (4, 5041104580), (5, 4032883664), (8, 2520552290), (10, 2016441832), (16, 1260276145), (20, 1008220916), (23, 876713840), (40, 504110458), (46, 438356920), (80, 252055229), (92, 219178460), (115, 175342768), (184, 109589230), (230, 87671384), (368, 54794615), (460, 43835692), (920, 21917846), (1840, 10958923), (1873, 10765840), (3746, 5382920), (5851, 3446320), (7492, 2691460), (9365, 2153168), (11702, 1723160), (14984, 1345730), (18730, 1076584), (23404, 861580), (29255, 689264), (29968, 672865), (37460, 538292), (43079, 468080), (46808, 430790), (58510, 344632), (74920, 269146), (86158, 234040), (93616, 215395), (117020, 172316), (134573, 149840)]