840774064

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1571}}^1$

素因数の和:1706

約数の個数: 80

約数和(自身を含む): 1833882624

約数和(自身を除く): 993108560

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 83, 104, 124, 166, 208, 248, 332, 403, 496, 664, 806, 1079, 1328, 1571, 1612, 2158, 2573, 3142, 3224, 4316, 5146, 6284, 6448, 8632, 10292, 12568, 17264, 20423, 20584, 25136, 33449, 40846, 41168, 48701, 66898, 81692, 97402, 130393, 133796, 163384, 194804, 260786, 267592, 326768, 389608, 521572, 535184, 633113, 779216, 1043144, 1266226, 1695109, 2086288, 2532452, 3390218, 4042183, 5064904, 6780436, 8084366, 10129808, 13560872, 16168732, 27121744, 32337464, 52548379, 64674928, 105096758, 210193516, 420387032, 840774064]

約数ペア:

[(1, 840774064), (2, 420387032), (4, 210193516), (8, 105096758), (13, 64674928), (16, 52548379), (26, 32337464), (31, 27121744), (52, 16168732), (62, 13560872), (83, 10129808), (104, 8084366), (124, 6780436), (166, 5064904), (208, 4042183), (248, 3390218), (332, 2532452), (403, 2086288), (496, 1695109), (664, 1266226), (806, 1043144), (1079, 779216), (1328, 633113), (1571, 535184), (1612, 521572), (2158, 389608), (2573, 326768), (3142, 267592), (3224, 260786), (4316, 194804), (5146, 163384), (6284, 133796), (6448, 130393), (8632, 97402), (10292, 81692), (12568, 66898), (17264, 48701), (20423, 41168), (20584, 40846), (25136, 33449)]