90139648

素因数分解:

$2^{10}\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:193

約数の個数: 88

約数和(自身を含む): 196020720

約数和(自身を除く): 105881072

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 41, 64, 76, 82, 113, 128, 152, 164, 226, 256, 304, 328, 452, 512, 608, 656, 779, 904, 1024, 1216, 1312, 1558, 1808, 2147, 2432, 2624, 3116, 3616, 4294, 4633, 4864, 5248, 6232, 7232, 8588, 9266, 9728, 10496, 12464, 14464, 17176, 18532, 19456, 20992, 24928, 28928, 34352, 37064, 41984, 49856, 57856, 68704, 74128, 88027, 99712, 115712, 137408, 148256, 176054, 199424, 274816, 296512, 352108, 398848, 549632, 593024, 704216, 797696, 1099264, 1186048, 1408432, 2198528, 2372096, 2816864, 4744192, 5633728, 11267456, 22534912, 45069824, 90139648]

約数ペア:

[(1, 90139648), (2, 45069824), (4, 22534912), (8, 11267456), (16, 5633728), (19, 4744192), (32, 2816864), (38, 2372096), (41, 2198528), (64, 1408432), (76, 1186048), (82, 1099264), (113, 797696), (128, 704216), (152, 593024), (164, 549632), (226, 398848), (256, 352108), (304, 296512), (328, 274816), (452, 199424), (512, 176054), (608, 148256), (656, 137408), (779, 115712), (904, 99712), (1024, 88027), (1216, 74128), (1312, 68704), (1558, 57856), (1808, 49856), (2147, 41984), (2432, 37064), (2624, 34352), (3116, 28928), (3616, 24928), (4294, 20992), (4633, 19456), (4864, 18532), (5248, 17176), (6232, 14464), (7232, 12464), (8588, 10496), (9266, 9728)]