About the Number

81101040

81101039 ← → 81101041

2進数表記:100110101011000000011110000

漢数字表記:八千百十万千四十

素因数分解:

2 4 × 3 1 × 5 1 × 37 1 × 9133 1

素因数の和:9186
約数の個数: 80
約数和(自身を含む): 258236448
約数和(自身を除く): 177135408

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2220, 2960, 4440, 8880, 9133, 18266, 27399, 36532, 45665, 54798, 73064, 91330, 109596, 136995, 146128, 182660, 219192, 273990, 337921, 365320, 438384, 547980, 675842, 730640, 1013763, 1095960, 1351684, 1689605, 2027526, 2191920, 2703368, 3379210, 4055052, 5068815, 5406736, 6758420, 8110104, 10137630, 13516840, 16220208, 20275260, 27033680, 40550520, 81101040]

約数ペア:
[(1, 81101040), (2, 40550520), (3, 27033680), (4, 20275260), (5, 16220208), (6, 13516840), (8, 10137630), (10, 8110104), (12, 6758420), (15, 5406736), (16, 5068815), (20, 4055052), (24, 3379210), (30, 2703368), (37, 2191920), (40, 2027526), (48, 1689605), (60, 1351684), (74, 1095960), (80, 1013763), (111, 730640), (120, 675842), (148, 547980), (185, 438384), (222, 365320), (240, 337921), (296, 273990), (370, 219192), (444, 182660), (555, 146128), (592, 136995), (740, 109596), (888, 91330), (1110, 73064), (1480, 54798), (1776, 45665), (2220, 36532), (2960, 27399), (4440, 18266), (8880, 9133)]

このpageの処理時間: 0.009279251098632812 seconds