73210000

素因数分解:

$2^4\times 5^4\times {\mathrm{7321}}^1$

素因数の和:7349

約数の個数: 50

約数和(自身を含む): 177272942

約数和(自身を除く): 104062942

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 7321, 10000, 14642, 29284, 36605, 58568, 73210, 117136, 146420, 183025, 292840, 366050, 585680, 732100, 915125, 1464200, 1830250, 2928400, 3660500, 4575625, 7321000, 9151250, 14642000, 18302500, 36605000, 73210000]

約数ペア:

[(1, 73210000), (2, 36605000), (4, 18302500), (5, 14642000), (8, 9151250), (10, 7321000), (16, 4575625), (20, 3660500), (25, 2928400), (40, 1830250), (50, 1464200), (80, 915125), (100, 732100), (125, 585680), (200, 366050), (250, 292840), (400, 183025), (500, 146420), (625, 117136), (1000, 73210), (1250, 58568), (2000, 36605), (2500, 29284), (5000, 14642), (7321, 10000)]