80592640

素因数分解:

$2^8\times 5^1\times {\mathrm{79}}^1\times {\mathrm{797}}^1$

素因数の和:897

約数の個数: 72

約数和(自身を含む): 195733440

約数和(自身を除く): 115140800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 316, 320, 395, 632, 640, 790, 797, 1264, 1280, 1580, 1594, 2528, 3160, 3188, 3985, 5056, 6320, 6376, 7970, 10112, 12640, 12752, 15940, 20224, 25280, 25504, 31880, 50560, 51008, 62963, 63760, 101120, 102016, 125926, 127520, 204032, 251852, 255040, 314815, 503704, 510080, 629630, 1007408, 1020160, 1259260, 2014816, 2518520, 4029632, 5037040, 8059264, 10074080, 16118528, 20148160, 40296320, 80592640]

約数ペア:

[(1, 80592640), (2, 40296320), (4, 20148160), (5, 16118528), (8, 10074080), (10, 8059264), (16, 5037040), (20, 4029632), (32, 2518520), (40, 2014816), (64, 1259260), (79, 1020160), (80, 1007408), (128, 629630), (158, 510080), (160, 503704), (256, 314815), (316, 255040), (320, 251852), (395, 204032), (632, 127520), (640, 125926), (790, 102016), (797, 101120), (1264, 63760), (1280, 62963), (1580, 51008), (1594, 50560), (2528, 31880), (3160, 25504), (3188, 25280), (3985, 20224), (5056, 15940), (6320, 12752), (6376, 12640), (7970, 10112)]