84081040

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:328

約数の個数: 80

約数和(自身を含む): 201522816

約数和(自身を除く): 117441776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 113, 131, 142, 226, 262, 284, 355, 452, 524, 565, 568, 655, 710, 904, 1048, 1130, 1136, 1310, 1420, 1808, 2096, 2260, 2620, 2840, 4520, 5240, 5680, 8023, 9040, 9301, 10480, 14803, 16046, 18602, 29606, 32092, 37204, 40115, 46505, 59212, 64184, 74015, 74408, 80230, 93010, 118424, 128368, 148030, 148816, 160460, 186020, 236848, 296060, 320920, 372040, 592120, 641840, 744080, 1051013, 1184240, 2102026, 4204052, 5255065, 8408104, 10510130, 16816208, 21020260, 42040520, 84081040]

約数ペア:

[(1, 84081040), (2, 42040520), (4, 21020260), (5, 16816208), (8, 10510130), (10, 8408104), (16, 5255065), (20, 4204052), (40, 2102026), (71, 1184240), (80, 1051013), (113, 744080), (131, 641840), (142, 592120), (226, 372040), (262, 320920), (284, 296060), (355, 236848), (452, 186020), (524, 160460), (565, 148816), (568, 148030), (655, 128368), (710, 118424), (904, 93010), (1048, 80230), (1130, 74408), (1136, 74015), (1310, 64184), (1420, 59212), (1808, 46505), (2096, 40115), (2260, 37204), (2620, 32092), (2840, 29606), (4520, 18602), (5240, 16046), (5680, 14803), (8023, 10480), (9040, 9301)]