18039040

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{829}}^1$

素因数の和:867

約数の個数: 72

約数和(自身を含む): 45806040

約数和(自身を除く): 27767000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 829, 1088, 1280, 1360, 1658, 2176, 2720, 3316, 4145, 4352, 5440, 6632, 8290, 10880, 13264, 14093, 16580, 21760, 26528, 28186, 33160, 53056, 56372, 66320, 70465, 106112, 112744, 132640, 140930, 212224, 225488, 265280, 281860, 450976, 530560, 563720, 901952, 1061120, 1127440, 1803904, 2254880, 3607808, 4509760, 9019520, 18039040]

約数ペア:

[(1, 18039040), (2, 9019520), (4, 4509760), (5, 3607808), (8, 2254880), (10, 1803904), (16, 1127440), (17, 1061120), (20, 901952), (32, 563720), (34, 530560), (40, 450976), (64, 281860), (68, 265280), (80, 225488), (85, 212224), (128, 140930), (136, 132640), (160, 112744), (170, 106112), (256, 70465), (272, 66320), (320, 56372), (340, 53056), (544, 33160), (640, 28186), (680, 26528), (829, 21760), (1088, 16580), (1280, 14093), (1360, 13264), (1658, 10880), (2176, 8290), (2720, 6632), (3316, 5440), (4145, 4352)]