25039340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{503}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 55883520

約数和(自身を除く): 30844180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 131, 190, 262, 380, 503, 524, 655, 1006, 1310, 2012, 2489, 2515, 2620, 4978, 5030, 9557, 9956, 10060, 12445, 19114, 24890, 38228, 47785, 49780, 65893, 95570, 131786, 191140, 263572, 329465, 658930, 1251967, 1317860, 2503934, 5007868, 6259835, 12519670, 25039340]

約数ペア:

[(1, 25039340), (2, 12519670), (4, 6259835), (5, 5007868), (10, 2503934), (19, 1317860), (20, 1251967), (38, 658930), (76, 329465), (95, 263572), (131, 191140), (190, 131786), (262, 95570), (380, 65893), (503, 49780), (524, 47785), (655, 38228), (1006, 24890), (1310, 19114), (2012, 12445), (2489, 10060), (2515, 9956), (2620, 9557), (4978, 5030)]