16387660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{307}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 36789984

約数和(自身を除く): 20402324

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 157, 170, 307, 314, 340, 614, 628, 785, 1228, 1535, 1570, 2669, 3070, 3140, 5219, 5338, 6140, 10438, 10676, 13345, 20876, 26095, 26690, 48199, 52190, 53380, 96398, 104380, 192796, 240995, 481990, 819383, 963980, 1638766, 3277532, 4096915, 8193830, 16387660]

約数ペア:

[(1, 16387660), (2, 8193830), (4, 4096915), (5, 3277532), (10, 1638766), (17, 963980), (20, 819383), (34, 481990), (68, 240995), (85, 192796), (157, 104380), (170, 96398), (307, 53380), (314, 52190), (340, 48199), (614, 26690), (628, 26095), (785, 20876), (1228, 13345), (1535, 10676), (1570, 10438), (2669, 6140), (3070, 5338), (3140, 5219)]