2019934182320

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1601}}^1\times {\mathrm{258539}}^1$

素因数の和:260214

約数の個数: 80

約数和(自身を含む): 4776336214560

約数和(自身を除く): 2756402032240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 1601, 2440, 3202, 4880, 6404, 8005, 12808, 16010, 25616, 32020, 64040, 97661, 128080, 195322, 258539, 390644, 488305, 517078, 781288, 976610, 1034156, 1292695, 1562576, 1953220, 2068312, 2585390, 3906440, 4136624, 5170780, 7812880, 10341560, 15770879, 20683120, 31541758, 63083516, 78854395, 126167032, 157708790, 252334064, 315417580, 413920939, 630835160, 827841878, 1261670320, 1655683756, 2069604695, 3311367512, 4139209390, 6622735024, 8278418780, 16556837560, 25249177279, 33113675120, 50498354558, 100996709116, 126245886395, 201993418232, 252491772790, 403986836464, 504983545580, 1009967091160, 2019934182320]

約数ペア:

[(1, 2019934182320), (2, 1009967091160), (4, 504983545580), (5, 403986836464), (8, 252491772790), (10, 201993418232), (16, 126245886395), (20, 100996709116), (40, 50498354558), (61, 33113675120), (80, 25249177279), (122, 16556837560), (244, 8278418780), (305, 6622735024), (488, 4139209390), (610, 3311367512), (976, 2069604695), (1220, 1655683756), (1601, 1261670320), (2440, 827841878), (3202, 630835160), (4880, 413920939), (6404, 315417580), (8005, 252334064), (12808, 157708790), (16010, 126167032), (25616, 78854395), (32020, 63083516), (64040, 31541758), (97661, 20683120), (128080, 15770879), (195322, 10341560), (258539, 7812880), (390644, 5170780), (488305, 4136624), (517078, 3906440), (781288, 2585390), (976610, 2068312), (1034156, 1953220), (1292695, 1562576)]