77767520

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28591}}^1$

素因数の和:28623

約数の個数: 48

約数和(自身を含む): 194539968

約数和(自身を除く): 116772448

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, 28591, 57182, 114364, 142955, 228728, 285910, 457456, 486047, 571820, 914912, 972094, 1143640, 1944188, 2287280, 2430235, 3888376, 4574560, 4860470, 7776752, 9720940, 15553504, 19441880, 38883760, 77767520]

約数ペア:

[(1, 77767520), (2, 38883760), (4, 19441880), (5, 15553504), (8, 9720940), (10, 7776752), (16, 4860470), (17, 4574560), (20, 3888376), (32, 2430235), (34, 2287280), (40, 1944188), (68, 1143640), (80, 972094), (85, 914912), (136, 571820), (160, 486047), (170, 457456), (272, 285910), (340, 228728), (544, 142955), (680, 114364), (1360, 57182), (2720, 28591)]