13405450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:271

約数の個数: 48

約数和(自身を含む): 26694720

約数和(自身を除く): 13289270

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 103, 137, 190, 206, 274, 475, 515, 685, 950, 1030, 1370, 1957, 2575, 2603, 3425, 3914, 5150, 5206, 6850, 9785, 13015, 14111, 19570, 26030, 28222, 48925, 65075, 70555, 97850, 130150, 141110, 268109, 352775, 536218, 705550, 1340545, 2681090, 6702725, 13405450]

約数ペア:

[(1, 13405450), (2, 6702725), (5, 2681090), (10, 1340545), (19, 705550), (25, 536218), (38, 352775), (50, 268109), (95, 141110), (103, 130150), (137, 97850), (190, 70555), (206, 65075), (274, 48925), (475, 28222), (515, 26030), (685, 19570), (950, 14111), (1030, 13015), (1370, 9785), (1957, 6850), (2575, 5206), (2603, 5150), (3425, 3914)]