16878996850

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{1303}}^1$

素因数の和:1516

約数の個数: 96

約数和(自身を含む): 33005387520

約数和(自身を除く): 16126390670

約数列:

[1, 2, 5, 10, 25, 41, 50, 71, 82, 89, 142, 178, 205, 355, 410, 445, 710, 890, 1025, 1303, 1775, 2050, 2225, 2606, 2911, 3550, 3649, 4450, 5822, 6319, 6515, 7298, 12638, 13030, 14555, 18245, 29110, 31595, 32575, 36490, 53423, 63190, 65150, 72775, 91225, 92513, 106846, 115967, 145550, 157975, 182450, 185026, 231934, 259079, 267115, 315950, 462565, 518158, 534230, 579835, 925130, 1159670, 1295395, 1335575, 2312825, 2590790, 2671150, 2899175, 3793033, 4625650, 4754647, 5798350, 6476975, 7586066, 8233657, 9509294, 12953950, 16467314, 18965165, 23773235, 37930330, 41168285, 47546470, 82336570, 94825825, 118866175, 189651650, 205841425, 237732350, 337579937, 411682850, 675159874, 1687899685, 3375799370, 8439498425, 16878996850]

約数ペア:

[(1, 16878996850), (2, 8439498425), (5, 3375799370), (10, 1687899685), (25, 675159874), (41, 411682850), (50, 337579937), (71, 237732350), (82, 205841425), (89, 189651650), (142, 118866175), (178, 94825825), (205, 82336570), (355, 47546470), (410, 41168285), (445, 37930330), (710, 23773235), (890, 18965165), (1025, 16467314), (1303, 12953950), (1775, 9509294), (2050, 8233657), (2225, 7586066), (2606, 6476975), (2911, 5798350), (3550, 4754647), (3649, 4625650), (4450, 3793033), (5822, 2899175), (6319, 2671150), (6515, 2590790), (7298, 2312825), (12638, 1335575), (13030, 1295395), (14555, 1159670), (18245, 925130), (29110, 579835), (31595, 534230), (32575, 518158), (36490, 462565), (53423, 315950), (63190, 267115), (65150, 259079), (72775, 231934), (91225, 185026), (92513, 182450), (106846, 157975), (115967, 145550)]