85968520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3203}}^1$

素因数の和:3286

約数の個数: 64

約数和(自身を含む): 214539840

約数和(自身を除く): 128571320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 610, 671, 1220, 1342, 2440, 2684, 3203, 3355, 5368, 6406, 6710, 12812, 13420, 16015, 25624, 26840, 32030, 35233, 64060, 70466, 128120, 140932, 176165, 195383, 281864, 352330, 390766, 704660, 781532, 976915, 1409320, 1563064, 1953830, 2149213, 3907660, 4298426, 7815320, 8596852, 10746065, 17193704, 21492130, 42984260, 85968520]

約数ペア:

[(1, 85968520), (2, 42984260), (4, 21492130), (5, 17193704), (8, 10746065), (10, 8596852), (11, 7815320), (20, 4298426), (22, 3907660), (40, 2149213), (44, 1953830), (55, 1563064), (61, 1409320), (88, 976915), (110, 781532), (122, 704660), (220, 390766), (244, 352330), (305, 281864), (440, 195383), (488, 176165), (610, 140932), (671, 128120), (1220, 70466), (1342, 64060), (2440, 35233), (2684, 32030), (3203, 26840), (3355, 25624), (5368, 16015), (6406, 13420), (6710, 12812)]