20122013000

素因数分解:

$2^3\times 5^3\times {\mathrm{1559}}^1\times {\mathrm{12907}}^1$

素因数の和:14487

約数の個数: 64

約数和(自身を含む): 47119363200

約数和(自身を除く): 26997350200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 1559, 3118, 6236, 7795, 12472, 12907, 15590, 25814, 31180, 38975, 51628, 62360, 64535, 77950, 103256, 129070, 155900, 194875, 258140, 311800, 322675, 389750, 516280, 645350, 779500, 1290700, 1559000, 1613375, 2581400, 3226750, 6453500, 12907000, 20122013, 40244026, 80488052, 100610065, 160976104, 201220130, 402440260, 503050325, 804880520, 1006100650, 2012201300, 2515251625, 4024402600, 5030503250, 10061006500, 20122013000]

約数ペア:

[(1, 20122013000), (2, 10061006500), (4, 5030503250), (5, 4024402600), (8, 2515251625), (10, 2012201300), (20, 1006100650), (25, 804880520), (40, 503050325), (50, 402440260), (100, 201220130), (125, 160976104), (200, 100610065), (250, 80488052), (500, 40244026), (1000, 20122013), (1559, 12907000), (3118, 6453500), (6236, 3226750), (7795, 2581400), (12472, 1613375), (12907, 1559000), (15590, 1290700), (25814, 779500), (31180, 645350), (38975, 516280), (51628, 389750), (62360, 322675), (64535, 311800), (77950, 258140), (103256, 194875), (129070, 155900)]