64015640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{401}}^1$

素因数の和:732

約数の個数: 64

約数和(自身を含む): 156008160

約数和(自身を除く): 91992520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 307, 401, 520, 614, 802, 1228, 1535, 1604, 2005, 2456, 3070, 3208, 3991, 4010, 5213, 6140, 7982, 8020, 10426, 12280, 15964, 16040, 19955, 20852, 26065, 31928, 39910, 41704, 52130, 79820, 104260, 123107, 159640, 208520, 246214, 492428, 615535, 984856, 1231070, 1600391, 2462140, 3200782, 4924280, 6401564, 8001955, 12803128, 16003910, 32007820, 64015640]

約数ペア:

[(1, 64015640), (2, 32007820), (4, 16003910), (5, 12803128), (8, 8001955), (10, 6401564), (13, 4924280), (20, 3200782), (26, 2462140), (40, 1600391), (52, 1231070), (65, 984856), (104, 615535), (130, 492428), (260, 246214), (307, 208520), (401, 159640), (520, 123107), (614, 104260), (802, 79820), (1228, 52130), (1535, 41704), (1604, 39910), (2005, 31928), (2456, 26065), (3070, 20852), (3208, 19955), (3991, 16040), (4010, 15964), (5213, 12280), (6140, 10426), (7982, 8020)]