4681040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1$

素因数の和:676

約数の個数: 80

約数和(自身を含む): 13415808

約数和(自身を除く): 8734768

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 643, 728, 910, 1040, 1286, 1456, 1820, 2572, 3215, 3640, 4501, 5144, 6430, 7280, 8359, 9002, 10288, 12860, 16718, 18004, 22505, 25720, 33436, 36008, 41795, 45010, 51440, 58513, 66872, 72016, 83590, 90020, 117026, 133744, 167180, 180040, 234052, 292565, 334360, 360080, 468104, 585130, 668720, 936208, 1170260, 2340520, 4681040]

約数ペア:

[(1, 4681040), (2, 2340520), (4, 1170260), (5, 936208), (7, 668720), (8, 585130), (10, 468104), (13, 360080), (14, 334360), (16, 292565), (20, 234052), (26, 180040), (28, 167180), (35, 133744), (40, 117026), (52, 90020), (56, 83590), (65, 72016), (70, 66872), (80, 58513), (91, 51440), (104, 45010), (112, 41795), (130, 36008), (140, 33436), (182, 25720), (208, 22505), (260, 18004), (280, 16718), (364, 12860), (455, 10288), (520, 9002), (560, 8359), (643, 7280), (728, 6430), (910, 5144), (1040, 4501), (1286, 3640), (1456, 3215), (1820, 2572)]