138394880

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8317}}^1$

素因数の和:8351

約数の個数: 72

約数和(自身を含む): 357041832

約数和(自身を除く): 218646952

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8317, 8320, 16634, 16640, 33268, 41585, 66536, 83170, 108121, 133072, 166340, 216242, 266144, 332680, 432484, 532288, 540605, 665360, 864968, 1064576, 1081210, 1330720, 1729936, 2129152, 2162420, 2661440, 3459872, 4324840, 5322880, 6919744, 8649680, 10645760, 13839488, 17299360, 27678976, 34598720, 69197440, 138394880]

約数ペア:

[(1, 138394880), (2, 69197440), (4, 34598720), (5, 27678976), (8, 17299360), (10, 13839488), (13, 10645760), (16, 8649680), (20, 6919744), (26, 5322880), (32, 4324840), (40, 3459872), (52, 2661440), (64, 2162420), (65, 2129152), (80, 1729936), (104, 1330720), (128, 1081210), (130, 1064576), (160, 864968), (208, 665360), (256, 540605), (260, 532288), (320, 432484), (416, 332680), (520, 266144), (640, 216242), (832, 166340), (1040, 133072), (1280, 108121), (1664, 83170), (2080, 66536), (3328, 41585), (4160, 33268), (8317, 16640), (8320, 16634)]