40661504

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:221

約数の個数: 80

約数和(自身を含む): 90228600

約数和(自身を除く): 49567096

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 64, 82, 104, 128, 149, 164, 208, 256, 298, 328, 416, 512, 533, 596, 656, 832, 1066, 1192, 1312, 1664, 1937, 2132, 2384, 2624, 3328, 3874, 4264, 4768, 5248, 6109, 6656, 7748, 8528, 9536, 10496, 12218, 15496, 17056, 19072, 20992, 24436, 30992, 34112, 38144, 48872, 61984, 68224, 76288, 79417, 97744, 123968, 136448, 158834, 195488, 247936, 272896, 317668, 390976, 495872, 635336, 781952, 991744, 1270672, 1563904, 2541344, 3127808, 5082688, 10165376, 20330752, 40661504]

約数ペア:

[(1, 40661504), (2, 20330752), (4, 10165376), (8, 5082688), (13, 3127808), (16, 2541344), (26, 1563904), (32, 1270672), (41, 991744), (52, 781952), (64, 635336), (82, 495872), (104, 390976), (128, 317668), (149, 272896), (164, 247936), (208, 195488), (256, 158834), (298, 136448), (328, 123968), (416, 97744), (512, 79417), (533, 76288), (596, 68224), (656, 61984), (832, 48872), (1066, 38144), (1192, 34112), (1312, 30992), (1664, 24436), (1937, 20992), (2132, 19072), (2384, 17056), (2624, 15496), (3328, 12218), (3874, 10496), (4264, 9536), (4768, 8528), (5248, 7748), (6109, 6656)]