27642550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^2$

素因数の和:134

約数の個数: 72

約数和(自身を含む): 59152464

約数和(自身を除く): 31509914

約数列:

[1, 2, 5, 10, 13, 23, 25, 26, 43, 46, 50, 65, 86, 115, 130, 215, 230, 299, 325, 430, 559, 575, 598, 650, 989, 1075, 1118, 1150, 1495, 1849, 1978, 2150, 2795, 2990, 3698, 4945, 5590, 7475, 9245, 9890, 12857, 13975, 14950, 18490, 24037, 24725, 25714, 27950, 42527, 46225, 48074, 49450, 64285, 85054, 92450, 120185, 128570, 212635, 240370, 321425, 425270, 552851, 600925, 642850, 1063175, 1105702, 1201850, 2126350, 2764255, 5528510, 13821275, 27642550]

約数ペア:

[(1, 27642550), (2, 13821275), (5, 5528510), (10, 2764255), (13, 2126350), (23, 1201850), (25, 1105702), (26, 1063175), (43, 642850), (46, 600925), (50, 552851), (65, 425270), (86, 321425), (115, 240370), (130, 212635), (215, 128570), (230, 120185), (299, 92450), (325, 85054), (430, 64285), (559, 49450), (575, 48074), (598, 46225), (650, 42527), (989, 27950), (1075, 25714), (1118, 24725), (1150, 24037), (1495, 18490), (1849, 14950), (1978, 13975), (2150, 12857), (2795, 9890), (2990, 9245), (3698, 7475), (4945, 5590)]