72782380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{8069}}^1$

素因数の和:8130

約数の個数: 48

約数和(自身を含む): 170825760

約数和(自身を除く): 98043380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 4510, 8069, 9020, 16138, 32276, 40345, 80690, 88759, 161380, 177518, 330829, 355036, 443795, 661658, 887590, 1323316, 1654145, 1775180, 3308290, 3639119, 6616580, 7278238, 14556476, 18195595, 36391190, 72782380]

約数ペア:

[(1, 72782380), (2, 36391190), (4, 18195595), (5, 14556476), (10, 7278238), (11, 6616580), (20, 3639119), (22, 3308290), (41, 1775180), (44, 1654145), (55, 1323316), (82, 887590), (110, 661658), (164, 443795), (205, 355036), (220, 330829), (410, 177518), (451, 161380), (820, 88759), (902, 80690), (1804, 40345), (2255, 32276), (4510, 16138), (8069, 9020)]