78220480

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18803}}^1$

素因数の和:18833

約数の個数: 56

約数和(自身を含む): 200601072

約数和(自身を除く): 122380592

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 18803, 37606, 75212, 94015, 150424, 188030, 244439, 300848, 376060, 488878, 601696, 752120, 977756, 1203392, 1222195, 1504240, 1955512, 2444390, 3008480, 3911024, 4888780, 6016960, 7822048, 9777560, 15644096, 19555120, 39110240, 78220480]

約数ペア:

[(1, 78220480), (2, 39110240), (4, 19555120), (5, 15644096), (8, 9777560), (10, 7822048), (13, 6016960), (16, 4888780), (20, 3911024), (26, 3008480), (32, 2444390), (40, 1955512), (52, 1504240), (64, 1222195), (65, 1203392), (80, 977756), (104, 752120), (130, 601696), (160, 488878), (208, 376060), (260, 300848), (320, 244439), (416, 188030), (520, 150424), (832, 94015), (1040, 75212), (2080, 37606), (4160, 18803)]