201219680

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{17713}}^1$

素因数の和:17799

約数の個数: 48

約数和(自身を含む): 482104224

約数和(自身を除く): 280884544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2840, 5680, 11360, 17713, 35426, 70852, 88565, 141704, 177130, 283408, 354260, 566816, 708520, 1257623, 1417040, 2515246, 2834080, 5030492, 6288115, 10060984, 12576230, 20121968, 25152460, 40243936, 50304920, 100609840, 201219680]

約数ペア:

[(1, 201219680), (2, 100609840), (4, 50304920), (5, 40243936), (8, 25152460), (10, 20121968), (16, 12576230), (20, 10060984), (32, 6288115), (40, 5030492), (71, 2834080), (80, 2515246), (142, 1417040), (160, 1257623), (284, 708520), (355, 566816), (568, 354260), (710, 283408), (1136, 177130), (1420, 141704), (2272, 88565), (2840, 70852), (5680, 35426), (11360, 17713)]