26748800

素因数分解:

$2^7\times 5^2\times {\mathrm{13}}^1\times {\mathrm{643}}^1$

素因数の和:680

約数の個数: 96

約数和(自身を含む): 71271480

約数和(自身を除く): 44522680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 260, 320, 325, 400, 416, 520, 640, 643, 650, 800, 832, 1040, 1286, 1300, 1600, 1664, 2080, 2572, 2600, 3200, 3215, 4160, 5144, 5200, 6430, 8320, 8359, 10288, 10400, 12860, 16075, 16718, 20576, 20800, 25720, 32150, 33436, 41152, 41600, 41795, 51440, 64300, 66872, 82304, 83590, 102880, 128600, 133744, 167180, 205760, 208975, 257200, 267488, 334360, 411520, 417950, 514400, 534976, 668720, 835900, 1028800, 1069952, 1337440, 1671800, 2057600, 2674880, 3343600, 5349760, 6687200, 13374400, 26748800]

約数ペア:

[(1, 26748800), (2, 13374400), (4, 6687200), (5, 5349760), (8, 3343600), (10, 2674880), (13, 2057600), (16, 1671800), (20, 1337440), (25, 1069952), (26, 1028800), (32, 835900), (40, 668720), (50, 534976), (52, 514400), (64, 417950), (65, 411520), (80, 334360), (100, 267488), (104, 257200), (128, 208975), (130, 205760), (160, 167180), (200, 133744), (208, 128600), (260, 102880), (320, 83590), (325, 82304), (400, 66872), (416, 64300), (520, 51440), (640, 41795), (643, 41600), (650, 41152), (800, 33436), (832, 32150), (1040, 25720), (1286, 20800), (1300, 20576), (1600, 16718), (1664, 16075), (2080, 12860), (2572, 10400), (2600, 10288), (3200, 8359), (3215, 8320), (4160, 6430), (5144, 5200)]