38989840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28669}}^1$

素因数の和:28699

約数の個数: 40

約数和(自身を含む): 95987160

約数和(自身を除く): 56997320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 28669, 57338, 114676, 143345, 229352, 286690, 458704, 487373, 573380, 974746, 1146760, 1949492, 2293520, 2436865, 3898984, 4873730, 7797968, 9747460, 19494920, 38989840]

約数ペア:

[(1, 38989840), (2, 19494920), (4, 9747460), (5, 7797968), (8, 4873730), (10, 3898984), (16, 2436865), (17, 2293520), (20, 1949492), (34, 1146760), (40, 974746), (68, 573380), (80, 487373), (85, 458704), (136, 286690), (170, 229352), (272, 143345), (340, 114676), (680, 57338), (1360, 28669)]