25898140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{211}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 61063632

約数和(自身を除く): 35165492

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 211, 323, 340, 361, 380, 422, 646, 722, 844, 1055, 1292, 1444, 1615, 1805, 2110, 3230, 3587, 3610, 4009, 4220, 6137, 6460, 7174, 7220, 8018, 12274, 14348, 16036, 17935, 20045, 24548, 30685, 35870, 40090, 61370, 68153, 71740, 76171, 80180, 122740, 136306, 152342, 272612, 304684, 340765, 380855, 681530, 761710, 1294907, 1363060, 1523420, 2589814, 5179628, 6474535, 12949070, 25898140]

約数ペア:

[(1, 25898140), (2, 12949070), (4, 6474535), (5, 5179628), (10, 2589814), (17, 1523420), (19, 1363060), (20, 1294907), (34, 761710), (38, 681530), (68, 380855), (76, 340765), (85, 304684), (95, 272612), (170, 152342), (190, 136306), (211, 122740), (323, 80180), (340, 76171), (361, 71740), (380, 68153), (422, 61370), (646, 40090), (722, 35870), (844, 30685), (1055, 24548), (1292, 20045), (1444, 17935), (1615, 16036), (1805, 14348), (2110, 12274), (3230, 8018), (3587, 7220), (3610, 7174), (4009, 6460), (4220, 6137)]