126918755000

素因数分解:

$2^3\times 5^4\times {\mathrm{647}}^1\times {\mathrm{39233}}^1$

素因数の和:39906

約数の個数: 80

約数和(自身を含む): 297837848880

約数和(自身を除く): 170919093880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 647, 1000, 1250, 1294, 2500, 2588, 3235, 5000, 5176, 6470, 12940, 16175, 25880, 32350, 39233, 64700, 78466, 80875, 129400, 156932, 161750, 196165, 313864, 323500, 392330, 404375, 647000, 784660, 808750, 980825, 1569320, 1617500, 1961650, 3235000, 3923300, 4904125, 7846600, 9808250, 19616500, 24520625, 25383751, 39233000, 49041250, 50767502, 98082500, 101535004, 126918755, 196165000, 203070008, 253837510, 507675020, 634593775, 1015350040, 1269187550, 2538375100, 3172968875, 5076750200, 6345937750, 12691875500, 15864844375, 25383751000, 31729688750, 63459377500, 126918755000]

約数ペア:

[(1, 126918755000), (2, 63459377500), (4, 31729688750), (5, 25383751000), (8, 15864844375), (10, 12691875500), (20, 6345937750), (25, 5076750200), (40, 3172968875), (50, 2538375100), (100, 1269187550), (125, 1015350040), (200, 634593775), (250, 507675020), (500, 253837510), (625, 203070008), (647, 196165000), (1000, 126918755), (1250, 101535004), (1294, 98082500), (2500, 50767502), (2588, 49041250), (3235, 39233000), (5000, 25383751), (5176, 24520625), (6470, 19616500), (12940, 9808250), (16175, 7846600), (25880, 4904125), (32350, 3923300), (39233, 3235000), (64700, 1961650), (78466, 1617500), (80875, 1569320), (129400, 980825), (156932, 808750), (161750, 784660), (196165, 647000), (313864, 404375), (323500, 392330)]