400139043200

素因数分解:

$2^7\times 5^2\times {\mathrm{13}}^1\times {\mathrm{9618727}}^1$

素因数の和:9618764

約数の個数: 96

約数和(自身を含む): 1064504627760

約数和(自身を除く): 664365584560

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, 650, 800, 832, 1040, 1300, 1600, 1664, 2080, 2600, 3200, 4160, 5200, 8320, 10400, 20800, 41600, 9618727, 19237454, 38474908, 48093635, 76949816, 96187270, 125043451, 153899632, 192374540, 240468175, 250086902, 307799264, 384749080, 480936350, 500173804, 615598528, 625217255, 769498160, 961872700, 1000347608, 1231197056, 1250434510, 1538996320, 1923745400, 2000695216, 2500869020, 3077992640, 3126086275, 3847490800, 4001390432, 5001738040, 6155985280, 6252172550, 7694981600, 8002780864, 10003476080, 12504345100, 15389963200, 16005561728, 20006952160, 25008690200, 30779926400, 40013904320, 50017380400, 80027808640, 100034760800, 200069521600, 400139043200]

約数ペア:

[(1, 400139043200), (2, 200069521600), (4, 100034760800), (5, 80027808640), (8, 50017380400), (10, 40013904320), (13, 30779926400), (16, 25008690200), (20, 20006952160), (25, 16005561728), (26, 15389963200), (32, 12504345100), (40, 10003476080), (50, 8002780864), (52, 7694981600), (64, 6252172550), (65, 6155985280), (80, 5001738040), (100, 4001390432), (104, 3847490800), (128, 3126086275), (130, 3077992640), (160, 2500869020), (200, 2000695216), (208, 1923745400), (260, 1538996320), (320, 1250434510), (325, 1231197056), (400, 1000347608), (416, 961872700), (520, 769498160), (640, 625217255), (650, 615598528), (800, 500173804), (832, 480936350), (1040, 384749080), (1300, 307799264), (1600, 250086902), (1664, 240468175), (2080, 192374540), (2600, 153899632), (3200, 125043451), (4160, 96187270), (5200, 76949816), (8320, 48093635), (10400, 38474908), (20800, 19237454), (41600, 9618727)]