51413380

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{313}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 111412224

約数和(自身を除く): 59998844

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 191, 215, 313, 382, 430, 626, 764, 860, 955, 1252, 1565, 1910, 3130, 3820, 6260, 8213, 13459, 16426, 26918, 32852, 41065, 53836, 59783, 67295, 82130, 119566, 134590, 164260, 239132, 269180, 298915, 597830, 1195660, 2570669, 5141338, 10282676, 12853345, 25706690, 51413380]

約数ペア:

[(1, 51413380), (2, 25706690), (4, 12853345), (5, 10282676), (10, 5141338), (20, 2570669), (43, 1195660), (86, 597830), (172, 298915), (191, 269180), (215, 239132), (313, 164260), (382, 134590), (430, 119566), (626, 82130), (764, 67295), (860, 59783), (955, 53836), (1252, 41065), (1565, 32852), (1910, 26918), (3130, 16426), (3820, 13459), (6260, 8213)]