About the Number

13123890

13123889 ← → 13123891

2進数表記:110010000100000100110010

漢数字表記:千三百十二万三千八百九十

素因数分解:

2 1 × 3 3 × 5 1 × 13 1 × 3739 1

素因数の和:3768
約数の個数: 64
約数和(自身を含む): 37699200
約数和(自身を除く): 24575310

約数列:
[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 117, 130, 135, 195, 234, 270, 351, 390, 585, 702, 1170, 1755, 3510, 3739, 7478, 11217, 18695, 22434, 33651, 37390, 48607, 56085, 67302, 97214, 100953, 112170, 145821, 168255, 201906, 243035, 291642, 336510, 437463, 486070, 504765, 729105, 874926, 1009530, 1312389, 1458210, 2187315, 2624778, 4374630, 6561945, 13123890]

約数ペア:
[(1, 13123890), (2, 6561945), (3, 4374630), (5, 2624778), (6, 2187315), (9, 1458210), (10, 1312389), (13, 1009530), (15, 874926), (18, 729105), (26, 504765), (27, 486070), (30, 437463), (39, 336510), (45, 291642), (54, 243035), (65, 201906), (78, 168255), (90, 145821), (117, 112170), (130, 100953), (135, 97214), (195, 67302), (234, 56085), (270, 48607), (351, 37390), (390, 33651), (585, 22434), (702, 18695), (1170, 11217), (1755, 7478), (3510, 3739)]

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