400839035440

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3527}}^1\times {\mathrm{34649}}^1$

素因数の和:38230

約数の個数: 80

約数和(自身を含む): 954979502400

約数和(自身を除く): 554140466960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 3527, 7054, 14108, 17635, 28216, 34649, 35270, 56432, 69298, 70540, 138596, 141080, 144607, 173245, 277192, 282160, 289214, 346490, 554384, 578428, 692980, 723035, 1156856, 1385960, 1420609, 1446070, 2313712, 2771920, 2841218, 2892140, 5682436, 5784280, 7103045, 11364872, 11568560, 14206090, 22729744, 28412180, 56824360, 113648720, 122207023, 244414046, 488828092, 611035115, 977656184, 1222070230, 1955312368, 2444140460, 4888280920, 5010487943, 9776561840, 10020975886, 20041951772, 25052439715, 40083903544, 50104879430, 80167807088, 100209758860, 200419517720, 400839035440]

約数ペア:

[(1, 400839035440), (2, 200419517720), (4, 100209758860), (5, 80167807088), (8, 50104879430), (10, 40083903544), (16, 25052439715), (20, 20041951772), (40, 10020975886), (41, 9776561840), (80, 5010487943), (82, 4888280920), (164, 2444140460), (205, 1955312368), (328, 1222070230), (410, 977656184), (656, 611035115), (820, 488828092), (1640, 244414046), (3280, 122207023), (3527, 113648720), (7054, 56824360), (14108, 28412180), (17635, 22729744), (28216, 14206090), (34649, 11568560), (35270, 11364872), (56432, 7103045), (69298, 5784280), (70540, 5682436), (138596, 2892140), (141080, 2841218), (144607, 2771920), (173245, 2313712), (277192, 1446070), (282160, 1420609), (289214, 1385960), (346490, 1156856), (554384, 723035), (578428, 692980)]