87364420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{2777}}^1$

素因数の和:2821

約数の個数: 72

約数和(自身を含む): 217250712

約数和(自身を除く): 129886292

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 130, 143, 220, 242, 260, 286, 484, 572, 605, 715, 1210, 1430, 1573, 2420, 2777, 2860, 3146, 5554, 6292, 7865, 11108, 13885, 15730, 27770, 30547, 31460, 36101, 55540, 61094, 72202, 122188, 144404, 152735, 180505, 305470, 336017, 361010, 397111, 610940, 672034, 722020, 794222, 1344068, 1588444, 1680085, 1985555, 3360170, 3971110, 4368221, 6720340, 7942220, 8736442, 17472884, 21841105, 43682210, 87364420]

約数ペア:

[(1, 87364420), (2, 43682210), (4, 21841105), (5, 17472884), (10, 8736442), (11, 7942220), (13, 6720340), (20, 4368221), (22, 3971110), (26, 3360170), (44, 1985555), (52, 1680085), (55, 1588444), (65, 1344068), (110, 794222), (121, 722020), (130, 672034), (143, 610940), (220, 397111), (242, 361010), (260, 336017), (286, 305470), (484, 180505), (572, 152735), (605, 144404), (715, 122188), (1210, 72202), (1430, 61094), (1573, 55540), (2420, 36101), (2777, 31460), (2860, 30547), (3146, 27770), (5554, 15730), (6292, 13885), (7865, 11108)]