12251720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23561}}^1$

素因数の和:23585

約数の個数: 32

約数和(自身を含む): 29688120

約数和(自身を除く): 17436400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 23561, 47122, 94244, 117805, 188488, 235610, 306293, 471220, 612586, 942440, 1225172, 1531465, 2450344, 3062930, 6125860, 12251720]

約数ペア:

[(1, 12251720), (2, 6125860), (4, 3062930), (5, 2450344), (8, 1531465), (10, 1225172), (13, 942440), (20, 612586), (26, 471220), (40, 306293), (52, 235610), (65, 188488), (104, 117805), (130, 94244), (260, 47122), (520, 23561)]