2120969984

素因数分解:

$2^8\times 7^1\times {\mathrm{29}}^1\times {\mathrm{40813}}^1$

素因数の和:40865

約数の個数: 72

約数和(自身を含む): 5005428960

約数和(自身を除く): 2884458976

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 64, 112, 116, 128, 203, 224, 232, 256, 406, 448, 464, 812, 896, 928, 1624, 1792, 1856, 3248, 3712, 6496, 7424, 12992, 25984, 40813, 51968, 81626, 163252, 285691, 326504, 571382, 653008, 1142764, 1183577, 1306016, 2285528, 2367154, 2612032, 4571056, 4734308, 5224064, 8285039, 9142112, 9468616, 10448128, 16570078, 18284224, 18937232, 33140156, 36568448, 37874464, 66280312, 73136896, 75748928, 132560624, 151497856, 265121248, 302995712, 530242496, 1060484992, 2120969984]

約数ペア:

[(1, 2120969984), (2, 1060484992), (4, 530242496), (7, 302995712), (8, 265121248), (14, 151497856), (16, 132560624), (28, 75748928), (29, 73136896), (32, 66280312), (56, 37874464), (58, 36568448), (64, 33140156), (112, 18937232), (116, 18284224), (128, 16570078), (203, 10448128), (224, 9468616), (232, 9142112), (256, 8285039), (406, 5224064), (448, 4734308), (464, 4571056), (812, 2612032), (896, 2367154), (928, 2285528), (1624, 1306016), (1792, 1183577), (1856, 1142764), (3248, 653008), (3712, 571382), (6496, 326504), (7424, 285691), (12992, 163252), (25984, 81626), (40813, 51968)]