11809640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{379}}^1$

素因数の和:450

約数の個数: 64

約数和(自身を含む): 28728000

約数和(自身を除く): 16918360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 328, 379, 380, 410, 758, 760, 779, 820, 1516, 1558, 1640, 1895, 3032, 3116, 3790, 3895, 6232, 7201, 7580, 7790, 14402, 15160, 15539, 15580, 28804, 31078, 31160, 36005, 57608, 62156, 72010, 77695, 124312, 144020, 155390, 288040, 295241, 310780, 590482, 621560, 1180964, 1476205, 2361928, 2952410, 5904820, 11809640]

約数ペア:

[(1, 11809640), (2, 5904820), (4, 2952410), (5, 2361928), (8, 1476205), (10, 1180964), (19, 621560), (20, 590482), (38, 310780), (40, 295241), (41, 288040), (76, 155390), (82, 144020), (95, 124312), (152, 77695), (164, 72010), (190, 62156), (205, 57608), (328, 36005), (379, 31160), (380, 31078), (410, 28804), (758, 15580), (760, 15539), (779, 15160), (820, 14402), (1516, 7790), (1558, 7580), (1640, 7201), (1895, 6232), (3032, 3895), (3116, 3790)]