12689300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:297

約数の個数: 72

約数和(自身を含む): 30477216

約数和(自身を除く): 17787916

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 43, 50, 52, 65, 86, 100, 130, 172, 215, 227, 260, 325, 430, 454, 559, 650, 860, 908, 1075, 1118, 1135, 1300, 2150, 2236, 2270, 2795, 2951, 4300, 4540, 5590, 5675, 5902, 9761, 11180, 11350, 11804, 13975, 14755, 19522, 22700, 27950, 29510, 39044, 48805, 55900, 59020, 73775, 97610, 126893, 147550, 195220, 244025, 253786, 295100, 488050, 507572, 634465, 976100, 1268930, 2537860, 3172325, 6344650, 12689300]

約数ペア:

[(1, 12689300), (2, 6344650), (4, 3172325), (5, 2537860), (10, 1268930), (13, 976100), (20, 634465), (25, 507572), (26, 488050), (43, 295100), (50, 253786), (52, 244025), (65, 195220), (86, 147550), (100, 126893), (130, 97610), (172, 73775), (215, 59020), (227, 55900), (260, 48805), (325, 39044), (430, 29510), (454, 27950), (559, 22700), (650, 19522), (860, 14755), (908, 13975), (1075, 11804), (1118, 11350), (1135, 11180), (1300, 9761), (2150, 5902), (2236, 5675), (2270, 5590), (2795, 4540), (2951, 4300)]