38921840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28619}}^1$

素因数の和:28649

約数の個数: 40

約数和(自身を含む): 95819760

約数和(自身を除く): 56897920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 28619, 57238, 114476, 143095, 228952, 286190, 457904, 486523, 572380, 973046, 1144760, 1946092, 2289520, 2432615, 3892184, 4865230, 7784368, 9730460, 19460920, 38921840]

約数ペア:

[(1, 38921840), (2, 19460920), (4, 9730460), (5, 7784368), (8, 4865230), (10, 3892184), (16, 2432615), (17, 2289520), (20, 1946092), (34, 1144760), (40, 973046), (68, 572380), (80, 486523), (85, 457904), (136, 286190), (170, 228952), (272, 143095), (340, 114476), (680, 57238), (1360, 28619)]