16500760

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 38776320

約数和(自身を除く): 22275560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 67, 94, 131, 134, 188, 235, 262, 268, 335, 376, 470, 524, 536, 655, 670, 940, 1048, 1310, 1340, 1880, 2620, 2680, 3149, 5240, 6157, 6298, 8777, 12314, 12596, 15745, 17554, 24628, 25192, 30785, 31490, 35108, 43885, 49256, 61570, 62980, 70216, 87770, 123140, 125960, 175540, 246280, 351080, 412519, 825038, 1650076, 2062595, 3300152, 4125190, 8250380, 16500760]

約数ペア:

[(1, 16500760), (2, 8250380), (4, 4125190), (5, 3300152), (8, 2062595), (10, 1650076), (20, 825038), (40, 412519), (47, 351080), (67, 246280), (94, 175540), (131, 125960), (134, 123140), (188, 87770), (235, 70216), (262, 62980), (268, 61570), (335, 49256), (376, 43885), (470, 35108), (524, 31490), (536, 30785), (655, 25192), (670, 24628), (940, 17554), (1048, 15745), (1310, 12596), (1340, 12314), (1880, 8777), (2620, 6298), (2680, 6157), (3149, 5240)]