31415840

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4789}}^1$

素因数の和:4845

約数の個数: 48

約数和(自身を含む): 76046040

約数和(自身を除く): 44630200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 4789, 6560, 9578, 19156, 23945, 38312, 47890, 76624, 95780, 153248, 191560, 196349, 383120, 392698, 766240, 785396, 981745, 1570792, 1963490, 3141584, 3926980, 6283168, 7853960, 15707920, 31415840]

約数ペア:

[(1, 31415840), (2, 15707920), (4, 7853960), (5, 6283168), (8, 3926980), (10, 3141584), (16, 1963490), (20, 1570792), (32, 981745), (40, 785396), (41, 766240), (80, 392698), (82, 383120), (160, 196349), (164, 191560), (205, 153248), (328, 95780), (410, 76624), (656, 47890), (820, 38312), (1312, 23945), (1640, 19156), (3280, 9578), (4789, 6560)]