20778844300

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{883}}^1\times {\mathrm{7591}}^1$

素因数の和:8519

約数の個数: 72

約数和(自身を含む): 46603461632

約数和(自身を除く): 25824617332

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 883, 1550, 1766, 3100, 3532, 4415, 7591, 8830, 15182, 17660, 22075, 27373, 30364, 37955, 44150, 54746, 75910, 88300, 109492, 136865, 151820, 189775, 235321, 273730, 379550, 470642, 547460, 684325, 759100, 941284, 1176605, 1368650, 2353210, 2737300, 4706420, 5883025, 6702853, 11766050, 13405706, 23532100, 26811412, 33514265, 67028530, 134057060, 167571325, 207788443, 335142650, 415576886, 670285300, 831153772, 1038942215, 2077884430, 4155768860, 5194711075, 10389422150, 20778844300]

約数ペア:

[(1, 20778844300), (2, 10389422150), (4, 5194711075), (5, 4155768860), (10, 2077884430), (20, 1038942215), (25, 831153772), (31, 670285300), (50, 415576886), (62, 335142650), (100, 207788443), (124, 167571325), (155, 134057060), (310, 67028530), (620, 33514265), (775, 26811412), (883, 23532100), (1550, 13405706), (1766, 11766050), (3100, 6702853), (3532, 5883025), (4415, 4706420), (7591, 2737300), (8830, 2353210), (15182, 1368650), (17660, 1176605), (22075, 941284), (27373, 759100), (30364, 684325), (37955, 547460), (44150, 470642), (54746, 379550), (75910, 273730), (88300, 235321), (109492, 189775), (136865, 151820)]