25538260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:265

約数の個数: 72

約数和(自身を含む): 60261768

約数和(自身を除く): 34723508

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 121, 122, 173, 220, 242, 244, 305, 346, 484, 605, 610, 671, 692, 865, 1210, 1220, 1342, 1730, 1903, 2420, 2684, 3355, 3460, 3806, 6710, 7381, 7612, 9515, 10553, 13420, 14762, 19030, 20933, 21106, 29524, 36905, 38060, 41866, 42212, 52765, 73810, 83732, 104665, 105530, 116083, 147620, 209330, 211060, 232166, 418660, 464332, 580415, 1160830, 1276913, 2321660, 2553826, 5107652, 6384565, 12769130, 25538260]

約数ペア:

[(1, 25538260), (2, 12769130), (4, 6384565), (5, 5107652), (10, 2553826), (11, 2321660), (20, 1276913), (22, 1160830), (44, 580415), (55, 464332), (61, 418660), (110, 232166), (121, 211060), (122, 209330), (173, 147620), (220, 116083), (242, 105530), (244, 104665), (305, 83732), (346, 73810), (484, 52765), (605, 42212), (610, 41866), (671, 38060), (692, 36905), (865, 29524), (1210, 21106), (1220, 20933), (1342, 19030), (1730, 14762), (1903, 13420), (2420, 10553), (2684, 9515), (3355, 7612), (3460, 7381), (3806, 6710)]