104260000

素因数分解:

$2^5\times 5^4\times {\mathrm{13}}^1\times {\mathrm{401}}^1$

素因数の和:444

約数の個数: 120

約数和(自身を含む): 276914484

約数和(自身を除く): 172654484

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 125, 130, 160, 200, 208, 250, 260, 325, 400, 401, 416, 500, 520, 625, 650, 800, 802, 1000, 1040, 1250, 1300, 1604, 1625, 2000, 2005, 2080, 2500, 2600, 3208, 3250, 4000, 4010, 5000, 5200, 5213, 6416, 6500, 8020, 8125, 10000, 10025, 10400, 10426, 12832, 13000, 16040, 16250, 20000, 20050, 20852, 26000, 26065, 32080, 32500, 40100, 41704, 50125, 52000, 52130, 64160, 65000, 80200, 83408, 100250, 104260, 130000, 130325, 160400, 166816, 200500, 208520, 250625, 260000, 260650, 320800, 401000, 417040, 501250, 521300, 651625, 802000, 834080, 1002500, 1042600, 1303250, 1604000, 2005000, 2085200, 2606500, 3258125, 4010000, 4170400, 5213000, 6516250, 8020000, 10426000, 13032500, 20852000, 26065000, 52130000, 104260000]

約数ペア:

[(1, 104260000), (2, 52130000), (4, 26065000), (5, 20852000), (8, 13032500), (10, 10426000), (13, 8020000), (16, 6516250), (20, 5213000), (25, 4170400), (26, 4010000), (32, 3258125), (40, 2606500), (50, 2085200), (52, 2005000), (65, 1604000), (80, 1303250), (100, 1042600), (104, 1002500), (125, 834080), (130, 802000), (160, 651625), (200, 521300), (208, 501250), (250, 417040), (260, 401000), (325, 320800), (400, 260650), (401, 260000), (416, 250625), (500, 208520), (520, 200500), (625, 166816), (650, 160400), (800, 130325), (802, 130000), (1000, 104260), (1040, 100250), (1250, 83408), (1300, 80200), (1604, 65000), (1625, 64160), (2000, 52130), (2005, 52000), (2080, 50125), (2500, 41704), (2600, 40100), (3208, 32500), (3250, 32080), (4000, 26065), (4010, 26000), (5000, 20852), (5200, 20050), (5213, 20000), (6416, 16250), (6500, 16040), (8020, 13000), (8125, 12832), (10000, 10426), (10025, 10400)]