80490956240

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{95107}}^1$

素因数の和:95340

約数の個数: 80

約数和(自身を含む): 191052950400

約数和(自身を除く): 110561994160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 149, 284, 298, 355, 568, 596, 710, 745, 1136, 1192, 1420, 1490, 2384, 2840, 2980, 5680, 5960, 10579, 11920, 21158, 42316, 52895, 84632, 95107, 105790, 169264, 190214, 211580, 380428, 423160, 475535, 760856, 846320, 951070, 1521712, 1902140, 3804280, 6752597, 7608560, 13505194, 14170943, 27010388, 28341886, 33762985, 54020776, 56683772, 67525970, 70854715, 108041552, 113367544, 135051940, 141709430, 226735088, 270103880, 283418860, 540207760, 566837720, 1006136953, 1133675440, 2012273906, 4024547812, 5030684765, 8049095624, 10061369530, 16098191248, 20122739060, 40245478120, 80490956240]

約数ペア:

[(1, 80490956240), (2, 40245478120), (4, 20122739060), (5, 16098191248), (8, 10061369530), (10, 8049095624), (16, 5030684765), (20, 4024547812), (40, 2012273906), (71, 1133675440), (80, 1006136953), (142, 566837720), (149, 540207760), (284, 283418860), (298, 270103880), (355, 226735088), (568, 141709430), (596, 135051940), (710, 113367544), (745, 108041552), (1136, 70854715), (1192, 67525970), (1420, 56683772), (1490, 54020776), (2384, 33762985), (2840, 28341886), (2980, 27010388), (5680, 14170943), (5960, 13505194), (10579, 7608560), (11920, 6752597), (21158, 3804280), (42316, 1902140), (52895, 1521712), (84632, 951070), (95107, 846320), (105790, 760856), (169264, 475535), (190214, 423160), (211580, 380428)]