77647840

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28547}}^1$

素因数の和:28579

約数の個数: 48

約数和(自身を含む): 194240592

約数和(自身を除く): 116592752

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 28547, 57094, 114188, 142735, 228376, 285470, 456752, 485299, 570940, 913504, 970598, 1141880, 1941196, 2283760, 2426495, 3882392, 4567520, 4852990, 7764784, 9705980, 15529568, 19411960, 38823920, 77647840]

約数ペア:

[(1, 77647840), (2, 38823920), (4, 19411960), (5, 15529568), (8, 9705980), (10, 7764784), (16, 4852990), (17, 4567520), (20, 3882392), (32, 2426495), (34, 2283760), (40, 1941196), (68, 1141880), (80, 970598), (85, 913504), (136, 570940), (160, 485299), (170, 456752), (272, 285470), (340, 228376), (544, 142735), (680, 114188), (1360, 57094), (2720, 28547)]