66400640

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^2\times {\mathrm{359}}^1$

素因数の和:412

約数の個数: 96

約数和(自身を含む): 169095600

約数和(自身を除く): 102694960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 289, 320, 340, 359, 544, 578, 640, 680, 718, 1088, 1156, 1360, 1436, 1445, 1795, 2176, 2312, 2720, 2872, 2890, 3590, 4624, 5440, 5744, 5780, 6103, 7180, 9248, 10880, 11488, 11560, 12206, 14360, 18496, 22976, 23120, 24412, 28720, 30515, 36992, 45952, 46240, 48824, 57440, 61030, 92480, 97648, 103751, 114880, 122060, 184960, 195296, 207502, 229760, 244120, 390592, 415004, 488240, 518755, 781184, 830008, 976480, 1037510, 1660016, 1952960, 2075020, 3320032, 3905920, 4150040, 6640064, 8300080, 13280128, 16600160, 33200320, 66400640]

約数ペア:

[(1, 66400640), (2, 33200320), (4, 16600160), (5, 13280128), (8, 8300080), (10, 6640064), (16, 4150040), (17, 3905920), (20, 3320032), (32, 2075020), (34, 1952960), (40, 1660016), (64, 1037510), (68, 976480), (80, 830008), (85, 781184), (128, 518755), (136, 488240), (160, 415004), (170, 390592), (272, 244120), (289, 229760), (320, 207502), (340, 195296), (359, 184960), (544, 122060), (578, 114880), (640, 103751), (680, 97648), (718, 92480), (1088, 61030), (1156, 57440), (1360, 48824), (1436, 46240), (1445, 45952), (1795, 36992), (2176, 30515), (2312, 28720), (2720, 24412), (2872, 23120), (2890, 22976), (3590, 18496), (4624, 14360), (5440, 12206), (5744, 11560), (5780, 11488), (6103, 10880), (7180, 9248)]