2013478120

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{36931}}^1$

素因数の和:37018

約数の個数: 64

約数和(自身を含む): 4786387200

約数和(自身を除く): 2772909080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 47, 58, 94, 116, 145, 188, 232, 235, 290, 376, 470, 580, 940, 1160, 1363, 1880, 2726, 5452, 6815, 10904, 13630, 27260, 36931, 54520, 73862, 147724, 184655, 295448, 369310, 738620, 1070999, 1477240, 1735757, 2141998, 3471514, 4283996, 5354995, 6943028, 8567992, 8678785, 10709990, 13886056, 17357570, 21419980, 34715140, 42839960, 50336953, 69430280, 100673906, 201347812, 251684765, 402695624, 503369530, 1006739060, 2013478120]

約数ペア:

[(1, 2013478120), (2, 1006739060), (4, 503369530), (5, 402695624), (8, 251684765), (10, 201347812), (20, 100673906), (29, 69430280), (40, 50336953), (47, 42839960), (58, 34715140), (94, 21419980), (116, 17357570), (145, 13886056), (188, 10709990), (232, 8678785), (235, 8567992), (290, 6943028), (376, 5354995), (470, 4283996), (580, 3471514), (940, 2141998), (1160, 1735757), (1363, 1477240), (1880, 1070999), (2726, 738620), (5452, 369310), (6815, 295448), (10904, 184655), (13630, 147724), (27260, 73862), (36931, 54520)]