51494720

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:256

約数の個数: 112

約数和(自身を含む): 131673600

約数和(自身を除く): 80178880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 32, 40, 58, 62, 64, 80, 116, 124, 145, 155, 160, 179, 232, 248, 290, 310, 320, 358, 464, 496, 580, 620, 716, 895, 899, 928, 992, 1160, 1240, 1432, 1790, 1798, 1856, 1984, 2320, 2480, 2864, 3580, 3596, 4495, 4640, 4960, 5191, 5549, 5728, 7160, 7192, 8990, 9280, 9920, 10382, 11098, 11456, 14320, 14384, 17980, 20764, 22196, 25955, 27745, 28640, 28768, 35960, 41528, 44392, 51910, 55490, 57280, 57536, 71920, 83056, 88784, 103820, 110980, 143840, 160921, 166112, 177568, 207640, 221960, 287680, 321842, 332224, 355136, 415280, 443920, 643684, 804605, 830560, 887840, 1287368, 1609210, 1661120, 1775680, 2574736, 3218420, 5149472, 6436840, 10298944, 12873680, 25747360, 51494720]

約数ペア:

[(1, 51494720), (2, 25747360), (4, 12873680), (5, 10298944), (8, 6436840), (10, 5149472), (16, 3218420), (20, 2574736), (29, 1775680), (31, 1661120), (32, 1609210), (40, 1287368), (58, 887840), (62, 830560), (64, 804605), (80, 643684), (116, 443920), (124, 415280), (145, 355136), (155, 332224), (160, 321842), (179, 287680), (232, 221960), (248, 207640), (290, 177568), (310, 166112), (320, 160921), (358, 143840), (464, 110980), (496, 103820), (580, 88784), (620, 83056), (716, 71920), (895, 57536), (899, 57280), (928, 55490), (992, 51910), (1160, 44392), (1240, 41528), (1432, 35960), (1790, 28768), (1798, 28640), (1856, 27745), (1984, 25955), (2320, 22196), (2480, 20764), (2864, 17980), (3580, 14384), (3596, 14320), (4495, 11456), (4640, 11098), (4960, 10382), (5191, 9920), (5549, 9280), (5728, 8990), (7160, 7192)]