11970640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:308

約数の個数: 80

約数和(自身を含む): 30998016

約数和(自身を除く): 19027376

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 61, 80, 88, 110, 122, 176, 220, 223, 244, 305, 440, 446, 488, 610, 671, 880, 892, 976, 1115, 1220, 1342, 1784, 2230, 2440, 2453, 2684, 3355, 3568, 4460, 4880, 4906, 5368, 6710, 8920, 9812, 10736, 12265, 13420, 13603, 17840, 19624, 24530, 26840, 27206, 39248, 49060, 53680, 54412, 68015, 98120, 108824, 136030, 149633, 196240, 217648, 272060, 299266, 544120, 598532, 748165, 1088240, 1197064, 1496330, 2394128, 2992660, 5985320, 11970640]

約数ペア:

[(1, 11970640), (2, 5985320), (4, 2992660), (5, 2394128), (8, 1496330), (10, 1197064), (11, 1088240), (16, 748165), (20, 598532), (22, 544120), (40, 299266), (44, 272060), (55, 217648), (61, 196240), (80, 149633), (88, 136030), (110, 108824), (122, 98120), (176, 68015), (220, 54412), (223, 53680), (244, 49060), (305, 39248), (440, 27206), (446, 26840), (488, 24530), (610, 19624), (671, 17840), (880, 13603), (892, 13420), (976, 12265), (1115, 10736), (1220, 9812), (1342, 8920), (1784, 6710), (2230, 5368), (2440, 4906), (2453, 4880), (2684, 4460), (3355, 3568)]