39376420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{647}}^1$

素因数の和:852

約数の個数: 48

約数和(自身を含む): 88179840

約数和(自身を除く): 48803420

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 179, 340, 358, 647, 716, 895, 1294, 1790, 2588, 3043, 3235, 3580, 6086, 6470, 10999, 12172, 12940, 15215, 21998, 30430, 43996, 54995, 60860, 109990, 115813, 219980, 231626, 463252, 579065, 1158130, 1968821, 2316260, 3937642, 7875284, 9844105, 19688210, 39376420]

約数ペア:

[(1, 39376420), (2, 19688210), (4, 9844105), (5, 7875284), (10, 3937642), (17, 2316260), (20, 1968821), (34, 1158130), (68, 579065), (85, 463252), (170, 231626), (179, 219980), (340, 115813), (358, 109990), (647, 60860), (716, 54995), (895, 43996), (1294, 30430), (1790, 21998), (2588, 15215), (3043, 12940), (3235, 12172), (3580, 10999), (6086, 6470)]