54725840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{521}}^1$

素因数の和:648

約数の個数: 80

約数和(自身を含む): 138647376

約数和(自身を除く): 83921536

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 101, 104, 130, 202, 208, 260, 404, 505, 520, 521, 808, 1010, 1040, 1042, 1313, 1616, 2020, 2084, 2605, 2626, 4040, 4168, 5210, 5252, 6565, 6773, 8080, 8336, 10420, 10504, 13130, 13546, 20840, 21008, 26260, 27092, 33865, 41680, 52520, 52621, 54184, 67730, 105040, 105242, 108368, 135460, 210484, 263105, 270920, 420968, 526210, 541840, 684073, 841936, 1052420, 1368146, 2104840, 2736292, 3420365, 4209680, 5472584, 6840730, 10945168, 13681460, 27362920, 54725840]

約数ペア:

[(1, 54725840), (2, 27362920), (4, 13681460), (5, 10945168), (8, 6840730), (10, 5472584), (13, 4209680), (16, 3420365), (20, 2736292), (26, 2104840), (40, 1368146), (52, 1052420), (65, 841936), (80, 684073), (101, 541840), (104, 526210), (130, 420968), (202, 270920), (208, 263105), (260, 210484), (404, 135460), (505, 108368), (520, 105242), (521, 105040), (808, 67730), (1010, 54184), (1040, 52621), (1042, 52520), (1313, 41680), (1616, 33865), (2020, 27092), (2084, 26260), (2605, 21008), (2626, 20840), (4040, 13546), (4168, 13130), (5210, 10504), (5252, 10420), (6565, 8336), (6773, 8080)]