45140000

素因数分解:

$2^5\times 5^4\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:128

約数の個数: 120

約数和(自身を含む): 115922268

約数和(自身を除く): 70782268

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 37, 40, 50, 61, 74, 80, 100, 122, 125, 148, 160, 185, 200, 244, 250, 296, 305, 370, 400, 488, 500, 592, 610, 625, 740, 800, 925, 976, 1000, 1184, 1220, 1250, 1480, 1525, 1850, 1952, 2000, 2257, 2440, 2500, 2960, 3050, 3700, 4000, 4514, 4625, 4880, 5000, 5920, 6100, 7400, 7625, 9028, 9250, 9760, 10000, 11285, 12200, 14800, 15250, 18056, 18500, 20000, 22570, 23125, 24400, 29600, 30500, 36112, 37000, 38125, 45140, 46250, 48800, 56425, 61000, 72224, 74000, 76250, 90280, 92500, 112850, 122000, 148000, 152500, 180560, 185000, 225700, 244000, 282125, 305000, 361120, 370000, 451400, 564250, 610000, 740000, 902800, 1128500, 1220000, 1410625, 1805600, 2257000, 2821250, 4514000, 5642500, 9028000, 11285000, 22570000, 45140000]

約数ペア:

[(1, 45140000), (2, 22570000), (4, 11285000), (5, 9028000), (8, 5642500), (10, 4514000), (16, 2821250), (20, 2257000), (25, 1805600), (32, 1410625), (37, 1220000), (40, 1128500), (50, 902800), (61, 740000), (74, 610000), (80, 564250), (100, 451400), (122, 370000), (125, 361120), (148, 305000), (160, 282125), (185, 244000), (200, 225700), (244, 185000), (250, 180560), (296, 152500), (305, 148000), (370, 122000), (400, 112850), (488, 92500), (500, 90280), (592, 76250), (610, 74000), (625, 72224), (740, 61000), (800, 56425), (925, 48800), (976, 46250), (1000, 45140), (1184, 38125), (1220, 37000), (1250, 36112), (1480, 30500), (1525, 29600), (1850, 24400), (1952, 23125), (2000, 22570), (2257, 20000), (2440, 18500), (2500, 18056), (2960, 15250), (3050, 14800), (3700, 12200), (4000, 11285), (4514, 10000), (4625, 9760), (4880, 9250), (5000, 9028), (5920, 7625), (6100, 7400)]