2091788120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{641}}^1\times {\mathrm{4799}}^1$

素因数の和:5468

約数の個数: 64

約数和(自身を含む): 4992192000

約数和(自身を除く): 2900403880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 641, 680, 1282, 2564, 3205, 4799, 5128, 6410, 9598, 10897, 12820, 19196, 21794, 23995, 25640, 38392, 43588, 47990, 54485, 81583, 87176, 95980, 108970, 163166, 191960, 217940, 326332, 407915, 435880, 652664, 815830, 1631660, 3076159, 3263320, 6152318, 12304636, 15380795, 24609272, 30761590, 52294703, 61523180, 104589406, 123046360, 209178812, 261473515, 418357624, 522947030, 1045894060, 2091788120]

約数ペア:

[(1, 2091788120), (2, 1045894060), (4, 522947030), (5, 418357624), (8, 261473515), (10, 209178812), (17, 123046360), (20, 104589406), (34, 61523180), (40, 52294703), (68, 30761590), (85, 24609272), (136, 15380795), (170, 12304636), (340, 6152318), (641, 3263320), (680, 3076159), (1282, 1631660), (2564, 815830), (3205, 652664), (4799, 435880), (5128, 407915), (6410, 326332), (9598, 217940), (10897, 191960), (12820, 163166), (19196, 108970), (21794, 95980), (23995, 87176), (25640, 81583), (38392, 54485), (43588, 47990)]