3988605875

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{443}}^1$

素因数の和:717

約数の個数: 64

約数和(自身を含む): 5585448960

約数和(自身を除く): 1596843085

約数列:

[1, 5, 17, 19, 25, 85, 95, 125, 223, 323, 425, 443, 475, 1115, 1615, 2125, 2215, 2375, 3791, 4237, 5575, 7531, 8075, 8417, 11075, 18955, 21185, 27875, 37655, 40375, 42085, 55375, 72029, 94775, 98789, 105925, 143089, 188275, 210425, 360145, 473875, 493945, 529625, 715445, 941375, 1052125, 1679413, 1800725, 1876991, 2469725, 3577225, 8397065, 9003625, 9384955, 12348625, 17886125, 31908847, 41985325, 46924775, 159544235, 209926625, 234623875, 797721175, 3988605875]

約数ペア:

[(1, 3988605875), (5, 797721175), (17, 234623875), (19, 209926625), (25, 159544235), (85, 46924775), (95, 41985325), (125, 31908847), (223, 17886125), (323, 12348625), (425, 9384955), (443, 9003625), (475, 8397065), (1115, 3577225), (1615, 2469725), (2125, 1876991), (2215, 1800725), (2375, 1679413), (3791, 1052125), (4237, 941375), (5575, 715445), (7531, 529625), (8075, 493945), (8417, 473875), (11075, 360145), (18955, 210425), (21185, 188275), (27875, 143089), (37655, 105925), (40375, 98789), (42085, 94775), (55375, 72029)]