20180771000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1552367}}^1$

素因数の和:1552401

約数の個数: 64

約数和(自身を含む): 50855575680

約数和(自身を除く): 30674804680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 650, 1000, 1300, 1625, 2600, 3250, 6500, 13000, 1552367, 3104734, 6209468, 7761835, 12418936, 15523670, 20180771, 31047340, 38809175, 40361542, 62094680, 77618350, 80723084, 100903855, 155236700, 161446168, 194045875, 201807710, 310473400, 388091750, 403615420, 504519275, 776183500, 807230840, 1009038550, 1552367000, 2018077100, 2522596375, 4036154200, 5045192750, 10090385500, 20180771000]

約数ペア:

[(1, 20180771000), (2, 10090385500), (4, 5045192750), (5, 4036154200), (8, 2522596375), (10, 2018077100), (13, 1552367000), (20, 1009038550), (25, 807230840), (26, 776183500), (40, 504519275), (50, 403615420), (52, 388091750), (65, 310473400), (100, 201807710), (104, 194045875), (125, 161446168), (130, 155236700), (200, 100903855), (250, 80723084), (260, 77618350), (325, 62094680), (500, 40361542), (520, 38809175), (650, 31047340), (1000, 20180771), (1300, 15523670), (1625, 12418936), (2600, 7761835), (3250, 6209468), (6500, 3104734), (13000, 1552367)]