66718720

素因数分解:

$2^{10}\times 5^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:265

約数の個数: 88

約数和(自身を含む): 163006704

約数和(自身を除く): 96287984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 128, 157, 160, 166, 256, 314, 320, 332, 415, 512, 628, 640, 664, 785, 830, 1024, 1256, 1280, 1328, 1570, 1660, 2512, 2560, 2656, 3140, 3320, 5024, 5120, 5312, 6280, 6640, 10048, 10624, 12560, 13031, 13280, 20096, 21248, 25120, 26062, 26560, 40192, 42496, 50240, 52124, 53120, 65155, 80384, 84992, 100480, 104248, 106240, 130310, 160768, 200960, 208496, 212480, 260620, 401920, 416992, 424960, 521240, 803840, 833984, 1042480, 1667968, 2084960, 3335936, 4169920, 6671872, 8339840, 13343744, 16679680, 33359360, 66718720]

約数ペア:

[(1, 66718720), (2, 33359360), (4, 16679680), (5, 13343744), (8, 8339840), (10, 6671872), (16, 4169920), (20, 3335936), (32, 2084960), (40, 1667968), (64, 1042480), (80, 833984), (83, 803840), (128, 521240), (157, 424960), (160, 416992), (166, 401920), (256, 260620), (314, 212480), (320, 208496), (332, 200960), (415, 160768), (512, 130310), (628, 106240), (640, 104248), (664, 100480), (785, 84992), (830, 80384), (1024, 65155), (1256, 53120), (1280, 52124), (1328, 50240), (1570, 42496), (1660, 40192), (2512, 26560), (2560, 26062), (2656, 25120), (3140, 21248), (3320, 20096), (5024, 13280), (5120, 13031), (5312, 12560), (6280, 10624), (6640, 10048)]