81755060

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{4547}}^1$

素因数の和:4616

約数の個数: 48

約数和(自身を含む): 183375360

約数和(自身を除く): 101620300

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 899, 1798, 3596, 4495, 4547, 8990, 9094, 17980, 18188, 22735, 45470, 90940, 131863, 140957, 263726, 281914, 527452, 563828, 659315, 704785, 1318630, 1409570, 2637260, 2819140, 4087753, 8175506, 16351012, 20438765, 40877530, 81755060]

約数ペア:

[(1, 81755060), (2, 40877530), (4, 20438765), (5, 16351012), (10, 8175506), (20, 4087753), (29, 2819140), (31, 2637260), (58, 1409570), (62, 1318630), (116, 704785), (124, 659315), (145, 563828), (155, 527452), (290, 281914), (310, 263726), (580, 140957), (620, 131863), (899, 90940), (1798, 45470), (3596, 22735), (4495, 18188), (4547, 17980), (8990, 9094)]