28030540

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^2\times {\mathrm{263}}^1$

素因数の和:418

約数の個数: 36

約数和(自身を含む): 59908464

約数和(自身を除く): 31877924

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 263, 292, 365, 526, 730, 1052, 1315, 1460, 2630, 5260, 5329, 10658, 19199, 21316, 26645, 38398, 53290, 76796, 95995, 106580, 191990, 383980, 1401527, 2803054, 5606108, 7007635, 14015270, 28030540]

約数ペア:

[(1, 28030540), (2, 14015270), (4, 7007635), (5, 5606108), (10, 2803054), (20, 1401527), (73, 383980), (146, 191990), (263, 106580), (292, 95995), (365, 76796), (526, 53290), (730, 38398), (1052, 26645), (1315, 21316), (1460, 19199), (2630, 10658), (5260, 5329)]