61499440

素因数分解:

$2^4\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1163}}^1$

素因数の和:1837

約数の個数: 40

約数和(自身を含む): 143325648

約数和(自身を除く): 81826208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 661, 1163, 1322, 2326, 2644, 3305, 4652, 5288, 5815, 6610, 9304, 10576, 11630, 13220, 18608, 23260, 26440, 46520, 52880, 93040, 768743, 1537486, 3074972, 3843715, 6149944, 7687430, 12299888, 15374860, 30749720, 61499440]

約数ペア:

[(1, 61499440), (2, 30749720), (4, 15374860), (5, 12299888), (8, 7687430), (10, 6149944), (16, 3843715), (20, 3074972), (40, 1537486), (80, 768743), (661, 93040), (1163, 52880), (1322, 46520), (2326, 26440), (2644, 23260), (3305, 18608), (4652, 13220), (5288, 11630), (5815, 10576), (6610, 9304)]