55378640

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:456

約数の個数: 80

約数和(自身を含む): 135111888

約数和(自身を除く): 79733248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 53, 74, 80, 106, 148, 185, 212, 265, 296, 353, 370, 424, 530, 592, 706, 740, 848, 1060, 1412, 1480, 1765, 1961, 2120, 2824, 2960, 3530, 3922, 4240, 5648, 7060, 7844, 9805, 13061, 14120, 15688, 18709, 19610, 26122, 28240, 31376, 37418, 39220, 52244, 65305, 74836, 78440, 93545, 104488, 130610, 149672, 156880, 187090, 208976, 261220, 299344, 374180, 522440, 692233, 748360, 1044880, 1384466, 1496720, 2768932, 3461165, 5537864, 6922330, 11075728, 13844660, 27689320, 55378640]

約数ペア:

[(1, 55378640), (2, 27689320), (4, 13844660), (5, 11075728), (8, 6922330), (10, 5537864), (16, 3461165), (20, 2768932), (37, 1496720), (40, 1384466), (53, 1044880), (74, 748360), (80, 692233), (106, 522440), (148, 374180), (185, 299344), (212, 261220), (265, 208976), (296, 187090), (353, 156880), (370, 149672), (424, 130610), (530, 104488), (592, 93545), (706, 78440), (740, 74836), (848, 65305), (1060, 52244), (1412, 39220), (1480, 37418), (1765, 31376), (1961, 28240), (2120, 26122), (2824, 19610), (2960, 18709), (3530, 15688), (3922, 14120), (4240, 13061), (5648, 9805), (7060, 7844)]