4142060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 9525600

約数和(自身を除く): 5383540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 179, 260, 356, 358, 445, 716, 890, 895, 1157, 1780, 1790, 2314, 2327, 3580, 4628, 4654, 5785, 9308, 11570, 11635, 15931, 23140, 23270, 31862, 46540, 63724, 79655, 159310, 207103, 318620, 414206, 828412, 1035515, 2071030, 4142060]

約数ペア:

[(1, 4142060), (2, 2071030), (4, 1035515), (5, 828412), (10, 414206), (13, 318620), (20, 207103), (26, 159310), (52, 79655), (65, 63724), (89, 46540), (130, 31862), (178, 23270), (179, 23140), (260, 15931), (356, 11635), (358, 11570), (445, 9308), (716, 5785), (890, 4654), (895, 4628), (1157, 3580), (1780, 2327), (1790, 2314)]