12664977680

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{631}}^1\times {\mathrm{2819}}^1$

素因数の和:3552

約数の個数: 80

約数和(自身を含む): 29834697600

約数和(自身を除く): 17169719920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 631, 712, 890, 1262, 1424, 1780, 2524, 2819, 3155, 3560, 5048, 5638, 6310, 7120, 10096, 11276, 12620, 14095, 22552, 25240, 28190, 45104, 50480, 56159, 56380, 112318, 112760, 224636, 225520, 250891, 280795, 449272, 501782, 561590, 898544, 1003564, 1123180, 1254455, 1778789, 2007128, 2246360, 2508910, 3557578, 4014256, 4492720, 5017820, 7115156, 8893945, 10035640, 14230312, 17787890, 20071280, 28460624, 35575780, 71151560, 142303120, 158312221, 316624442, 633248884, 791561105, 1266497768, 1583122210, 2532995536, 3166244420, 6332488840, 12664977680]

約数ペア:

[(1, 12664977680), (2, 6332488840), (4, 3166244420), (5, 2532995536), (8, 1583122210), (10, 1266497768), (16, 791561105), (20, 633248884), (40, 316624442), (80, 158312221), (89, 142303120), (178, 71151560), (356, 35575780), (445, 28460624), (631, 20071280), (712, 17787890), (890, 14230312), (1262, 10035640), (1424, 8893945), (1780, 7115156), (2524, 5017820), (2819, 4492720), (3155, 4014256), (3560, 3557578), (5048, 2508910), (5638, 2246360), (6310, 2007128), (7120, 1778789), (10096, 1254455), (11276, 1123180), (12620, 1003564), (14095, 898544), (22552, 561590), (25240, 501782), (28190, 449272), (45104, 280795), (50480, 250891), (56159, 225520), (56380, 224636), (112318, 112760)]