28507646440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7831771}}^1$

素因数の和:7831802

約数の個数: 64

約数和(自身を含む): 78944261760

約数和(自身を除く): 50436615320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 7831771, 15663542, 31327084, 39158855, 54822397, 62654168, 78317710, 101813023, 109644794, 156635420, 203626046, 219289588, 274111985, 313270840, 407252092, 438579176, 509065115, 548223970, 712691161, 814504184, 1018130230, 1096447940, 1425382322, 2036260460, 2192895880, 2850764644, 3563455805, 4072520920, 5701529288, 7126911610, 14253823220, 28507646440]

約数ペア:

[(1, 28507646440), (2, 14253823220), (4, 7126911610), (5, 5701529288), (7, 4072520920), (8, 3563455805), (10, 2850764644), (13, 2192895880), (14, 2036260460), (20, 1425382322), (26, 1096447940), (28, 1018130230), (35, 814504184), (40, 712691161), (52, 548223970), (56, 509065115), (65, 438579176), (70, 407252092), (91, 313270840), (104, 274111985), (130, 219289588), (140, 203626046), (182, 156635420), (260, 109644794), (280, 101813023), (364, 78317710), (455, 62654168), (520, 54822397), (728, 39158855), (910, 31327084), (1820, 15663542), (3640, 7831771)]