21875420450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{551713}}^1$

素因数の和:551799

約数の個数: 48

約数和(自身を含む): 44536560936

約数和(自身を除く): 22661140486

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 61, 65, 122, 130, 305, 325, 610, 650, 793, 1525, 1586, 3050, 3965, 7930, 19825, 39650, 551713, 1103426, 2758565, 5517130, 7172269, 13792825, 14344538, 27585650, 33654493, 35861345, 67308986, 71722690, 168272465, 179306725, 336544930, 358613450, 437508409, 841362325, 875016818, 1682724650, 2187542045, 4375084090, 10937710225, 21875420450]

約数ペア:

[(1, 21875420450), (2, 10937710225), (5, 4375084090), (10, 2187542045), (13, 1682724650), (25, 875016818), (26, 841362325), (50, 437508409), (61, 358613450), (65, 336544930), (122, 179306725), (130, 168272465), (305, 71722690), (325, 67308986), (610, 35861345), (650, 33654493), (793, 27585650), (1525, 14344538), (1586, 13792825), (3050, 7172269), (3965, 5517130), (7930, 2758565), (19825, 1103426), (39650, 551713)]