385616720

素因数分解:

$2^4\times 5^1\times {\mathrm{631}}^1\times {\mathrm{7639}}^1$

素因数の和:8283

約数の個数: 40

約数和(自身を含む): 898097280

約数和(自身を除く): 512480560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 631, 1262, 2524, 3155, 5048, 6310, 7639, 10096, 12620, 15278, 25240, 30556, 38195, 50480, 61112, 76390, 122224, 152780, 305560, 611120, 4820209, 9640418, 19280836, 24101045, 38561672, 48202090, 77123344, 96404180, 192808360, 385616720]

約数ペア:

[(1, 385616720), (2, 192808360), (4, 96404180), (5, 77123344), (8, 48202090), (10, 38561672), (16, 24101045), (20, 19280836), (40, 9640418), (80, 4820209), (631, 611120), (1262, 305560), (2524, 152780), (3155, 122224), (5048, 76390), (6310, 61112), (7639, 50480), (10096, 38195), (12620, 30556), (15278, 25240)]