49619840

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:152

約数の個数: 128

約数和(自身を含む): 127491840

約数和(自身を除く): 77872000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 61, 62, 64, 80, 82, 122, 124, 128, 155, 160, 164, 205, 244, 248, 305, 310, 320, 328, 410, 488, 496, 610, 620, 640, 656, 820, 976, 992, 1220, 1240, 1271, 1312, 1640, 1891, 1952, 1984, 2440, 2480, 2501, 2542, 2624, 3280, 3782, 3904, 3968, 4880, 4960, 5002, 5084, 5248, 6355, 6560, 7564, 7808, 9455, 9760, 9920, 10004, 10168, 12505, 12710, 13120, 15128, 18910, 19520, 19840, 20008, 20336, 25010, 25420, 26240, 30256, 37820, 39040, 40016, 40672, 50020, 50840, 60512, 75640, 77531, 80032, 81344, 100040, 101680, 121024, 151280, 155062, 160064, 162688, 200080, 203360, 242048, 302560, 310124, 320128, 387655, 400160, 406720, 605120, 620248, 775310, 800320, 813440, 1210240, 1240496, 1550620, 1600640, 2480992, 3101240, 4961984, 6202480, 9923968, 12404960, 24809920, 49619840]

約数ペア:

[(1, 49619840), (2, 24809920), (4, 12404960), (5, 9923968), (8, 6202480), (10, 4961984), (16, 3101240), (20, 2480992), (31, 1600640), (32, 1550620), (40, 1240496), (41, 1210240), (61, 813440), (62, 800320), (64, 775310), (80, 620248), (82, 605120), (122, 406720), (124, 400160), (128, 387655), (155, 320128), (160, 310124), (164, 302560), (205, 242048), (244, 203360), (248, 200080), (305, 162688), (310, 160064), (320, 155062), (328, 151280), (410, 121024), (488, 101680), (496, 100040), (610, 81344), (620, 80032), (640, 77531), (656, 75640), (820, 60512), (976, 50840), (992, 50020), (1220, 40672), (1240, 40016), (1271, 39040), (1312, 37820), (1640, 30256), (1891, 26240), (1952, 25420), (1984, 25010), (2440, 20336), (2480, 20008), (2501, 19840), (2542, 19520), (2624, 18910), (3280, 15128), (3782, 13120), (3904, 12710), (3968, 12505), (4880, 10168), (4960, 10004), (5002, 9920), (5084, 9760), (5248, 9455), (6355, 7808), (6560, 7564)]