2019132700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{18713}}^1$

素因数の和:18823

約数の個数: 72

約数和(自身を含む): 4775663088

約数和(自身を除く): 2756530388

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 83, 100, 130, 166, 260, 325, 332, 415, 650, 830, 1079, 1300, 1660, 2075, 2158, 4150, 4316, 5395, 8300, 10790, 18713, 21580, 26975, 37426, 53950, 74852, 93565, 107900, 187130, 243269, 374260, 467825, 486538, 935650, 973076, 1216345, 1553179, 1871300, 2432690, 3106358, 4865380, 6081725, 6212716, 7765895, 12163450, 15531790, 20191327, 24326900, 31063580, 38829475, 40382654, 77658950, 80765308, 100956635, 155317900, 201913270, 403826540, 504783175, 1009566350, 2019132700]

約数ペア:

[(1, 2019132700), (2, 1009566350), (4, 504783175), (5, 403826540), (10, 201913270), (13, 155317900), (20, 100956635), (25, 80765308), (26, 77658950), (50, 40382654), (52, 38829475), (65, 31063580), (83, 24326900), (100, 20191327), (130, 15531790), (166, 12163450), (260, 7765895), (325, 6212716), (332, 6081725), (415, 4865380), (650, 3106358), (830, 2432690), (1079, 1871300), (1300, 1553179), (1660, 1216345), (2075, 973076), (2158, 935650), (4150, 486538), (4316, 467825), (5395, 374260), (8300, 243269), (10790, 187130), (18713, 107900), (21580, 93565), (26975, 74852), (37426, 53950)]