66820480

素因数分解:

$2^7\times 5^1\times {\mathrm{131}}^1\times {\mathrm{797}}^1$

素因数の和:947

約数の個数: 64

約数和(自身を含む): 161164080

約数和(自身を除く): 94343600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 131, 160, 262, 320, 524, 640, 655, 797, 1048, 1310, 1594, 2096, 2620, 3188, 3985, 4192, 5240, 6376, 7970, 8384, 10480, 12752, 15940, 16768, 20960, 25504, 31880, 41920, 51008, 63760, 83840, 102016, 104407, 127520, 208814, 255040, 417628, 510080, 522035, 835256, 1044070, 1670512, 2088140, 3341024, 4176280, 6682048, 8352560, 13364096, 16705120, 33410240, 66820480]

約数ペア:

[(1, 66820480), (2, 33410240), (4, 16705120), (5, 13364096), (8, 8352560), (10, 6682048), (16, 4176280), (20, 3341024), (32, 2088140), (40, 1670512), (64, 1044070), (80, 835256), (128, 522035), (131, 510080), (160, 417628), (262, 255040), (320, 208814), (524, 127520), (640, 104407), (655, 102016), (797, 83840), (1048, 63760), (1310, 51008), (1594, 41920), (2096, 31880), (2620, 25504), (3188, 20960), (3985, 16768), (4192, 15940), (5240, 12752), (6376, 10480), (7970, 8384)]