78419840

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6449}}^1$

素因数の和:6487

約数の個数: 64

約数和(自身を含む): 197370000

約数和(自身を除く): 118950160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2432, 3040, 6080, 6449, 12160, 12898, 25796, 32245, 51592, 64490, 103184, 122531, 128980, 206368, 245062, 257960, 412736, 490124, 515920, 612655, 825472, 980248, 1031840, 1225310, 1960496, 2063680, 2450620, 3920992, 4127360, 4901240, 7841984, 9802480, 15683968, 19604960, 39209920, 78419840]

約数ペア:

[(1, 78419840), (2, 39209920), (4, 19604960), (5, 15683968), (8, 9802480), (10, 7841984), (16, 4901240), (19, 4127360), (20, 3920992), (32, 2450620), (38, 2063680), (40, 1960496), (64, 1225310), (76, 1031840), (80, 980248), (95, 825472), (128, 612655), (152, 515920), (160, 490124), (190, 412736), (304, 257960), (320, 245062), (380, 206368), (608, 128980), (640, 122531), (760, 103184), (1216, 64490), (1520, 51592), (2432, 32245), (3040, 25796), (6080, 12898), (6449, 12160)]