40184920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{229}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 93895200

約数和(自身を除く): 53710280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 107, 164, 205, 214, 229, 328, 410, 428, 458, 535, 820, 856, 916, 1070, 1145, 1640, 1832, 2140, 2290, 4280, 4387, 4580, 8774, 9160, 9389, 17548, 18778, 21935, 24503, 35096, 37556, 43870, 46945, 49006, 75112, 87740, 93890, 98012, 122515, 175480, 187780, 196024, 245030, 375560, 490060, 980120, 1004623, 2009246, 4018492, 5023115, 8036984, 10046230, 20092460, 40184920]

約数ペア:

[(1, 40184920), (2, 20092460), (4, 10046230), (5, 8036984), (8, 5023115), (10, 4018492), (20, 2009246), (40, 1004623), (41, 980120), (82, 490060), (107, 375560), (164, 245030), (205, 196024), (214, 187780), (229, 175480), (328, 122515), (410, 98012), (428, 93890), (458, 87740), (535, 75112), (820, 49006), (856, 46945), (916, 43870), (1070, 37556), (1145, 35096), (1640, 24503), (1832, 21935), (2140, 18778), (2290, 17548), (4280, 9389), (4387, 9160), (4580, 8774)]