2013123920

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{3413}}^1$

素因数の和:3600

約数の個数: 80

約数和(自身を含む): 4793010192

約数和(自身を除く): 2779886272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 101, 146, 202, 292, 365, 404, 505, 584, 730, 808, 1010, 1168, 1460, 1616, 2020, 2920, 3413, 4040, 5840, 6826, 7373, 8080, 13652, 14746, 17065, 27304, 29492, 34130, 36865, 54608, 58984, 68260, 73730, 117968, 136520, 147460, 249149, 273040, 294920, 344713, 498298, 589840, 689426, 996596, 1245745, 1378852, 1723565, 1993192, 2491490, 2757704, 3447130, 3986384, 4982980, 5515408, 6894260, 9965960, 13788520, 19931920, 25164049, 27577040, 50328098, 100656196, 125820245, 201312392, 251640490, 402624784, 503280980, 1006561960, 2013123920]

約数ペア:

[(1, 2013123920), (2, 1006561960), (4, 503280980), (5, 402624784), (8, 251640490), (10, 201312392), (16, 125820245), (20, 100656196), (40, 50328098), (73, 27577040), (80, 25164049), (101, 19931920), (146, 13788520), (202, 9965960), (292, 6894260), (365, 5515408), (404, 4982980), (505, 3986384), (584, 3447130), (730, 2757704), (808, 2491490), (1010, 1993192), (1168, 1723565), (1460, 1378852), (1616, 1245745), (2020, 996596), (2920, 689426), (3413, 589840), (4040, 498298), (5840, 344713), (6826, 294920), (7373, 273040), (8080, 249149), (13652, 147460), (14746, 136520), (17065, 117968), (27304, 73730), (29492, 68260), (34130, 58984), (36865, 54608)]