28183480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{653}}^1$

素因数の和:760

約数の個数: 64

約数和(自身を含む): 69219360

約数和(自身を除く): 41035880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 83, 104, 130, 166, 260, 332, 415, 520, 653, 664, 830, 1079, 1306, 1660, 2158, 2612, 3265, 3320, 4316, 5224, 5395, 6530, 8489, 8632, 10790, 13060, 16978, 21580, 26120, 33956, 42445, 43160, 54199, 67912, 84890, 108398, 169780, 216796, 270995, 339560, 433592, 541990, 704587, 1083980, 1409174, 2167960, 2818348, 3522935, 5636696, 7045870, 14091740, 28183480]

約数ペア:

[(1, 28183480), (2, 14091740), (4, 7045870), (5, 5636696), (8, 3522935), (10, 2818348), (13, 2167960), (20, 1409174), (26, 1083980), (40, 704587), (52, 541990), (65, 433592), (83, 339560), (104, 270995), (130, 216796), (166, 169780), (260, 108398), (332, 84890), (415, 67912), (520, 54199), (653, 43160), (664, 42445), (830, 33956), (1079, 26120), (1306, 21580), (1660, 16978), (2158, 13060), (2612, 10790), (3265, 8632), (3320, 8489), (4316, 6530), (5224, 5395)]